373 results about "Blurred vision" patented technology

A formulation has been developed for treatment of the symptoms of dry eye which incorporates the natural product jojoba wax, or components thereof, to enhance the spreading of the artificial tear and eyedrop as well as stabilize the eyedrop. The improved performance of the jojoba wax supplemented tear relieves irritation and discomfort as well as sharpens the blurred vision.

A jojoba formulation has been developed for administration to the meibomian gland, for treatment of the symptoms of dry eye, and / or for drug delivery to the meibomian gland. The formulation incorporates the natural product jojoba wax, or components thereof, to enhance the spreading of the artificial tear as well as stabilize the tear film. The jojoba wax tear relieves irritation and discomfort as well as sharpens the blurred vision. Jojoba, because of its close chemical and physical properties to meibomian gland secretions, is effective upon topical application to penetrate the lid margin to reach the gland tissues where it may exert a therapeutic effect with or without an adjunctive agent.

Restrictions of conventional techniques for assisting navigation of a vertical takeoff and landing vehicle in circumstances where there is a possibility of the view being obscured, can be overcome by using a three-dimensional model in combination with image processing to determine which segments of a landing zone are visible and which segments are obscured. A pilot is provided with a view of the landing zone that is a combination of live images and simulated segments from the three-dimensional model. Whereas conventional techniques focus on generating better simulated views, an implementation of this invention includes generating a view of an obscured landing zone that includes live imager. Fusing live imagery with other sensor information to generate a view allows the pilot to use a much real information as possible, and facilitates increased pilot confidence that the pilot can proceed and execute a successful landing.

The present invention relates to a system for displaying a video image to a user having a visual impairment. The system comprises a video camera, a data storage device, a processor and an image display device for displaying processed images in a display region. The processor is operative to perform at least one of the operations of (i) including in the display region, a marker at a location offset from a centre of the display region, whereby if the user, who suffers from blurred vision at the centre of the user's visual field, looks at the marker, the user sees the captured image in focus; or (ii) deforming a portion of the captured image by a correction matrix, whereby, upon displaying the processed images by the display device, the correction matrix corrects a deformation in a corresponding portion of the visual field of the user due to the visual impairment.

A jojoba formulation has been developed for administration to the meibomian gland, for treatment of the symptoms of dry eye, and / or for drug delivery to the meibomian gland. The formulation incorporates the natural product jojoba wax, or components thereof, to enhance the spreading of the artificial tear as well as stabilize the tear film. The jojoba wax tear relieves irritation and discomfort as well as sharpens the blurred vision. Jojoba, because of its close chemical and physical properties to meibomian gland secretions, is effective upon topical application to penetrate the lid margin to reach the gland tissues where it may exert a therapeutic effect with or without an adjunctive agent.

The present invention provides a method for treating dry eye condition in an individual comprising administrating to said individual an amount of A3 adenosine receptor (A3AR) agonist, the amount being effective to ameliorate symptoms of dry eye in the individual. In accordance with one embodiment, the dry eye condition is manifested by one or more ophthalmologic clinical symptoms selected from foreign body sensation, burning, itching, irritation, redness, eye pain, blurred vision, degraded vision and excessive tearing. A preferred A3RAg in accordance with the invention is N6-(3-iodobenzyl)-adenosine-5′-N-methyluronamide (IB-MECA).

A jojoba formulation has been developed for administration to the meibomian gland, for treatment of the symptoms of dry eye, and / or for drug delivery to the meibomian gland. The formulation incorporates the natural product jojoba wax, or components thereof, to enhance the spreading of the artificial tear as well as stabilize the tear film. The jojoba wax tear relieves irritation and discomfort as well as sharpens the blurred vision. Jojoba, because of its close chemical and physical properties to meibomian gland secretions, is effective upon topical application to penetrate the lid margin to reach the gland tissues where it may exert a therapeutic effect with or without an adjunctive agent.

The present invention relates to oxygenated ophthalmic topical compositions and methods of administering oxygenated ophthalmic topical compositions. The present invention also encompasses methods for making and administering the oxygenated ophthalmic topical compositions for use in treating or ameliorating pathologic conditions, complications, diseases and symptoms related to hypoxia of the anterior eye structure, including corneal neovascularization (CNV), edema, abrasions, infections, infiltrates, dry eye syndrome, contact lens intolerance; and redness, blurred vision, discomfort, foreign body sensation, photophobia, and irritation.

The invention relates to health-care tea, which consists of the following raw materials in part by weight: 15 to 20 parts of medlar, 20 to 30 parts of cassia seed, 15 to 25 parts of chrysanthemum, 10 to 15 parts of dried longan pulp, 5 to 15 parts of fragrant solomonseal rhizome, 5 to 10 parts of honeysuckle, 5 to 10 parts of mulberry, 5 to 10 parts of siberian solomonseal rhizome, 5 to 10 parts of palmleaf raspberry fruit and 3 to 8 parts of liquoric root. According to the health-care tea, the medicines are combined and are prepared into substitute tea, and the infused tea is fragrant in smell and sweet in taste, and has the effects of clearing heat, nourishing blood, improving eyesight and relaxing bowel. The health-care tea is mainly used for treatment and can prevent various diseases, namely has a prevention and treatment effect on diseases such as dim-sighted eyes, hot eyes, irritation and pain, blurred vision, myopia, constipation and the like. In addition, the health-care tea has the flavor of tea, and is convenient to drink after being prepared into the substitute tea, and can be accepted by patients easily; and the sources of raw materials are wide; a process is mature and easy to implement; and the health-care tea has the advantages of low investment and quick response.

The invention relates to a point eye mask and a preparation and application thereof, the point eye mask comprises a back lining layer, a drug storage layer and a protective layer, wherein, the drug storage layer is formed by coating the drug emulsion containing PSA (pressure sensitive adhesive), skin transdermal enhancer and other drugs onto the back lining layer, wherein, the drug emulsion is formed by blending nano-powder of Chinese herbal extract for szechwan lovage rhizome, radix salviae miltiorrhizae, angelica sinensis, chrysanthemum, plantago asiatica, semen celosiae, cuscuta chinensis lam, equisetum hiemale linne, fructus ligustri lucidi, radix glycyrrhiza, and cassia seed and the like; a polyester film protective layer is covered onto the back lining layer, and the eye mask is formed through cutting. The point eye mask adopts principles of traditional Chinese acupuncture and release and control technology of modern transdermal, can constantly release active ingredients in points for a long period of time, can well adjust and improve muscles, nerves, and blood vessels at and around the eyes, can play a certain role in delaying for development of myopia of young people, and play a role in treatment for fatigue blurred vision, high intraocular pressure, presbyopia, and dry eye syndrome. Meanwhile, the invention has advantages of convenient using, persistent efficacy.

The invention relates to a cranberry extract eye ophthalmic preparation and a preparation method and uses thereof, and belongs to the technical field of eye ophthalmic preparations. The technical problem to be solved is to provide a cranberry extract eye ophthalmic preparation. The cranberry extract eye ophthalmic preparation comprises an active ingredient of cranberry extract. The cranberry extract eye ophthalmic preparation can effectively treat, prevent or alleviate cataract, glaucoma, vitreous opacity, macular degeneration, retinopathy, optic atrophy, keratitis, epiphora induced by wind, presbyopia, myopia, visual fatigue, blurred vision, conjunctival burn, conjunctivitis, corneal ulcer, palpebral ecgema, floaters or trachoma and other eye diseases. A novel preparation is provided for treating cataract, glaucoma, vitreous opacity, macular degeneration, retinopathy, optic atrophy, keratitis, epiphora induced by wind, presbyopia, myopia, visual fatigue, blurred vision, conjunctival burn, conjunctivitis, corneal ulcer, palpebral ecgema, floaters or trachoma and other eye diseases, and meets the strong demand of people for loving and protecting eyes.

The invention discloses a medical pillow internally containing pure traditional Chinese medicines for treating cervical spondylosis and a preparation method thereof. The medical pillow is composed of a medicine core, a filling material, a medical magnetic sheet and a pure cotton coat, wherein the front side of the medical pillow is high and the rear side is low, and the middle of the medical pillow is provided with a notch; and the medicine core is composed of peanut leaves, cassia twigs, ligusticus wallichii franchet, pubescent angelica root, mint, chrysanthemum, bombyx batryticatus, scorpion, earthworm, baked pangolin, radix salviae miltiorrhizae, angelica dahurica, magnolia bark, cacumen biotae, cortex albiziae, notopterygium root, Chinese atractylodes, gentiana macrophylla, white peony root, atractylis ovata, peach kernel, mulberry twig, Chinese clematis, actual lavender and laurocapram. The medical pillow is used for preventing and treating cervical spondylosis as well as dizzy, blurred vision, nausea, tinnitus, numb limbs and tense tendons, neck, shoulder and back pain, swelling and heavy discomforts and other syndromes caused by cervical spondylosis and scapulohumeral periarthritis, has the advantages of reliable curative effect, safe use, scientific design, unique model and strong practicability, is economical, practical, beautiful and novel, and can change poor pillow use habits of people.

The invention discloses a health care beverage that has effects of relieving alcoholism, protecting liver, invigorating spleen and nourishing stomach and a preparation method thereof. The health care beverage of the invention mainly consists of the following constituents based on proportions by weight: 2-8 portions of honey, 0.5-2 portions of royal jelly, 0.1-0.6 portion of bee glue and 4-12 portions of haw. The beverage of the invention can not only rapidly ease or reverse varied drunken symptoms of headache, dizziness, nausea, vomiting, inappetence, blurred vision, slow reaction, etc. but also supplement varied nutrients that are short in human body in time to improve human immunity and rapidly repair harm to the human body caused by alcohol. Besides, the beverage of the invention has unique flavor, pleasant sweetness and sourness but no toxicity or side effects, thereby being easily accepted by different groups of people.

The invention discloses an eye protection Chinese medicinal composition with health care and treatment effects. The Chinese medicinal composition comprises the following components in parts by weight: 5-20 parts of ginkgo biloba leaf extract, 5-10 parts of ginseng, 5-10 parts of Chinese angelica, 5-10 parts of buerger pipewort flower, 5-20 parts of astragalus, 5-10 parts of honeysuckle flower, 5-10 parts of cicada shell, 5-15 parts of Chinese wolfberry and 5-10 parts of mint. The Chinese medicinal composition has the effects of relieving asthenopia, eliminating uncomfortable symptoms such as dryness, redness and swelling of eyes, blurred vision and the like, dispelling pouch, black eye, eye wrinkle and the like.

The invention discloses an asthenopia-relieving healthcare food and a preparation method thereof. The healthcare food comprises the following main raw materials: 0.5-10 parts of medlar, 0.1-6 parts of chrysanthemum, 0.5-10 parts of a bilberry extract and 0.005-0.08 part of lutein. The raw materials are extracted, concentrated and dried to prepare lozenges, capsules or granules. The healthcare food contains various nutrients necessary to eyes, has the effects of relieving asthenopia and improving eyesight, can be used for relieving symptoms such as eye pain, soreness, swelling, burning sensation, foreign body sensation, tearing, photaesthesia, blurred vision and eye dryness, is a traditional Chinese medicine preparation with homology of medicine and food, and is safe to take.

The embodiment of the invention discloses a lane deviation early warning and driving recording system and a lane deviation early warning and driving recording method. In the system, a near infrared light source is matched with an optical filter to illuminate a lane; because the near infrared is non-visible light, near infrared can be used at night, does not influence the visual field of vehicles and pedestrians on the road surface and can illuminate the lane; lane image information is acquired by an image sensor; lane line information is acquired by an image processing device according to preset lane characteristic parameters; and the current vehicle position information is compared with the lane line information obtained through calculation to judge whether a driving vehicle is deviated from the lane, and an alarm is given when the vehicle is deviated from the lane. The system and the method overcome the defect that a condition that the vehicle is deviated from the correct driving lane cannot be prevented when a driver is fatigue or has blurred vision under insufficient light, particularly at night in the prior art, fulfill the aim of recording the driving state in all weather, can reproduce the process of an accident according to stored image information and is favorable for judging the cause of the accident.

The invention discloses a six-flavor hematinic capsule, its quality control method and an application thereof. The six-flavor hematinic capsule is prepared by adding auxiliary materials into raw materials consisting of Chinese angelica, Ligusticum wallichii, Radix Astragali, prepared rehmannia root, lithospermum and white peony root. According to the quality control method of the six-flavor hematinic preparation, whether the six-flavor hematinic capsule contains white peony root, Chinese angelica, Radix Astragali, prepared rehmannia root, lithospermum, Ligusticum wallichii and components is identified by thin layer chromatography; by high-performance liquid chromatography, in vitro dissolution behavior of the six-flavor hematinic capsule is determined, and effective component groups are identified by fingerprint; verbascoside and calycosin glucoside are used as reference substances to simultaneously determine contents in the six-flavor hematinic capsule; and the content of a volatile component ligustilide in the six-flavor hematinic capsule is determined by a gas chromatographic method. The method provided by the invention is simple to operate, is accurate and advanced, has good linear relation, reappearance, precision, stability and recovery rate, can be adopted to effectively control product quality and guarantee curative effect of the product. The invention also provides an application in the preparation of a medicine for treating eye damage and blurred vision.

The invention relates to eye-protecting brain-strengthening effervescent tablets for supplementing nutrient to human bodies. The effervescent tablets consist of active ingredients, a pharmaceutically acceptable acid-base pair and excipients, wherein the active ingredients are utein ester, taurine and docosahexaenoic acid (DHA); the pharmaceutically acceptable acid-base pair comprises an acid compound and an alkaline compound; and the excipients are a filler, an adhesive, a lubricant, a sweetener and a flavoring agent. Through the experiments, the effervescent tablets have remarkable effects of promoting the memory acquisition and memory recurrence of passive avoidance response and spatial discrimination capacity of mice. The effervescent tablets have remarkable effects of improving symptoms such as blurred vision, dry eyes, eye swelling, ophthalmodynia, photophoby and the like, and can remarkably improve the persistence of photopic vision of both eyes; and the effervescent tablets have remarkable effects of strengthening brains and protecting eyes according to the criterion.

The invention discloses fructus akebiae healthy tea which is prepared from fructus akebiae,narrow-leaved oleaster fruit, marigold, green alectoria filament, rhodobryum giganteum, and Siberian nitrari in a certain weight proportion. The healthy tea has the purposes of dispersing the liver depression, promoting blood circulation to stop pain, tranquilizing and allaying excitement, relieving heart to treat eye disease, and strengthening by means of tonics. Owing to low cost, good effect, reasonable formula, easy preparation, simple preservation, being suitable for four seasons, curing diseases and protecting health, convenient drinking and good taste, the healthy tea is applicable to those who suffer from diseases such as liver and stomach pains due to disorder of qi, stomach heat and poor appetite, dyspepsia, soothing liver and tonifying kidney, strengthening spleen and stomach, invigorating spleen and stomach, body weakness, cough due to lung-heat, dizziness and blurred vision, infantile convulsion, cold and cough, neurasthenic, body emaciation, deficiency of both qi and blood, dyspepsia, abnormal menstruation, etc., on which the healthy tea performs good effects. The fructus akebiae healthy tea is an ideal healthy drink.

The invention relates to a battery machining robot. The battery machining robot comprises an adjusting device, a two-way telescopic plate, two symmetric air cylinders, a button battery clamping deviceand a cylindrical battery clamping device; the front end of the adjusting device is installed at the upper end of the two-way telescopic plate, the two symmetric air cylinders are installed in the middle of the two-way telescopic plate, and the top ends of the symmetrical air cylinders are installed at the outer ends of the two-way telescopic plate through flanges; and the button battery clampingdevice is installed on the right side of the lower end of the two-way telescopic plate, and the cylindrical battery clamping device is installed on the left side of the lower end of the two-way telescopic plate. According to the battery machining robot, the problems that in the present process of producing batteries, people need to grab the different types of batteries, when the button battery isgrabbed, due to the fact that the button battery is relatively small, jumping and flying of the button battery are prone to occurrence during grabbing by people, and people possibly have blurred vision and then miss grabbing the button battery during long-term grabbing, and in addition, when a cylindrical battery is grabbed, people usually grab the middle part of the cylindrical battery, and thenthe grabbed cylindrical battery possibly falls off due to sweating of hands can be solved.

The invention discloses soybean milk containing raisins. The soybean milk is characterized by comprising the following raw materials in parts by weight: 80-85 parts of soybeans, 10-15 parts of red beans, 10-12 parts of peanuts, 6-8 parts of oat, 3-4 parts of red dates, 1-2 parts of raisins, 1-2 parts of haw slices, 1-2 parts of rehmannia glutinosa (gaertn.) libosch, 2-4 parts of barbary wolfberry fruit, 1-2 parts of xylan, 1-2 parts of snake gourd fruit leaves, 0.8-1 part of sodium citrate, 1-2 parts of soybean oil, 0.3-0.5 part of sodium carboxymethyl cellulose, 0.01-0.02 part of vitamin C and a proper amount of water. The soybean milk has the advantages that the soybean milk is converted from a single soybean milk edible to an edible with health care functionality at the same time; the added barbary wolfberry fruit has the functions of nourishing the liver and kidney and moistening the lung and is mainly used for treating deficiency of liver and kidney, dizziness, blurred vision, soreness and weakness of waists and knees, impotence, cough due to the consumptive disease and thirst due to diabetes; the added rehmannia glutinosa (gaertn.) libosch has the functions of treating diabetes and lumbar pain due to kidney asthenia and the like; and the soybean milk absolutely has the characteristics of engineering functional ingredients, nutrition functional ingredients and prepared food base materials.

The invention discloses health-care noodles made of mung bean hulls and a production method of the noodles, which belong to the technical field of food processing. According to the invention, the mung bean hulls are used for producing the health-care noodles through comprehensive utilization. The health-care noodles are prepared by adopting the mung bean hulls and high-gluten wheat flour as main materials, adding auxiliary materials such as edible gum, nano calcium and polylysine, mixing the flour, rolling, cutting, steaming, drying, cooling and packaging. The health-care noodles disclosed by the invention have the advantages that special treatment is carried out on the mung bean hulls, and the prepared noodles are fine in taste and free of rough taste of fibers, have health-care functions of clearing summer heat, quenching thirst, inducing diuresis, detoxifying, eliminating blurred vision, preventing colon cancer, breast cancer, coronary heart disease and diabetes and the like, and are especially suitable for middle-edged and old people. The production method has the advantages that the process is simple, energy is saved, the operability is strong, industrial production can be realized and the popularization and the application are easy.

Treatment of hyperinsulinemic hypoglycemia comprises administration of an effective amount of a glucagon-like peptide-1 receptor antagonist (GLP1RA) alone or in combination with an amylinomimetic agent or any anti-gastric emptying agent. Patients suffering from hyperinsulinemic hypoglycemia after bariatric surgery experience particular benefit, as there is no current method effective for their treatment. Prevention or reduction of acute adverse effects of postprandial hypoglycemia, such as palpitations, tremor, weakness, sweating, confusion, fatigue, blurred vision, seizures, or loss of consciousness, and prevention of chronic adverse effects of hyperinsulinemic hypoglycemia, such as cognitive impairment, can be achieved by treatment with GLP1RA.

The present invention provides a method for treating dry eye condition in an individual comprising administrating to said individual an amount of A3 adenosine receptor (A3AR) agonist, the amount being effective to ameliorate symptoms of dry eye in the individual. In accordance with one embodiment, the dry eye condition is manifested by one or more opthalmologic clinical symptoms selected from foreign body sensation, burning, itching, irritation, redness, eye pain, blurred vision, degraded vision and excessive tearing. A preferred A3RAg in accordance with the invention is N6-(3-iodobenzyl)-adenosine-5′-N-methyluronamide (IB-MECA).

The invention discloses a novel externally-applied traditional Chinese medicine composition for treating brain stem tumors and a preparation method thereof. The traditional Chinese medicine composition mainly comprises the following raw materials of medicines: redroot gromwell root, musk, borneol, camphor, draconis sanguis, tuckahoe, giant knotweed, herba schizonepetae, cassia twig, rhizoma ligustici wallichii, wild ginger, radix sileris, notopterygium root, peppermint, chrysanthemum, baikal skullcap root, kuhseng, weeping forsythia, honeysuckle, dandelion, indigo naturalis, red peony root, white peony root, tetrandra root, sacred basil, benzoin, rhizoma atractylodis, rhizoma cyperi, rosa banksiae, radix notoginseng, madder, hyacinth bletilla, rhubarb, toad venom, borax, wrinkled gianthyssop, santalwood, lignum aloe, citron, stinkbug, dalbergia wood, Chinese ephedra, dahurian angelica root, sibirian button bur and magnolia flower. The traditional Chinese medicine composition can be prepared into any externally-applied preparation according to a conventional traditional Chinese medicine preparation method. The invention can be used for obviously improving the passage of the functional activities of qi, dispelling wind, dispelling cold, dredging the stasis of the qi and the blood, promoting blood circulation, relieving the stasis of the blood, regulating the flow of the qi, alleviating pain, reducing tumor bodies and improving the symptoms of headache, dizziness, blurred vision, intracranial pressure ascension, hemiplegia, limb numbness and the like and has definite clinical curative effect, obvious curative effect and quick acting. Because of completely adopting the medicines specified by the dispensatory of China for combination and adopting an externally-applied treatment method, the traditional Chinese medicine composition has the advantages of less stimulation to the skin, low cost, no toxic or side effect basically and the like.

The invention relates to a traditional Chinese medicine composition for vision rehabilitation and a preparation method thereof. In the prior art, the processes all have the problems that the processes are coarse, the prepared preparations are instable, the contents of active constituents are low and the treatment effect in the course of practical application is unsatisfied. The composition is prepared from the following 24 traditional Chinese medicines: antelope horn, caltrop, equisetum, chrysanthemum, plantain seed, selfheal, cassia seed, ginseng, cornel (prepared), dendrobe, wolfberry fruit, dodder, glossy privet fruit, abalone shell, coptis root, pipewort, fiveleaf akebia, prepared rehmannia root, yam, alisma, poria, moutan bark, radix rehmanniae and betel palm. The process is advanced, the content of active constituents is high and the preparation has good stability. The composition has the efficacies of nourishing liver and kidney, nourishing yin, promoting the production of the body fluid, removing heat from the liver, and improving eyesight, and is mainly used for patients having the symptoms of photophobia, blurred vision, glaucoma and primary and medium cataract caused bydeficiency of liver-yin and kidney-yin. The clinic pharmacodynamic test effect is obviously improved, the bioavailability is high and no toxic or side effect is generated.

The invention discloses a production method of corniculate spurgentian herb, turmeric toot-tuber and tomato jam. The health corniculate spurgentian herb, turmeric toot-tuber and tomato jam is produced by taking corniculate spurgentian herb, rambutan and tomatoes as raw materials, and also adding traditional Chinese medicines including tremella, kudzu vine roots, shiitake mushrooms, walnuts, wolfberry fruits, red dates, astragalus membranaceus, donkey-hide gelatin, turmeric toot-tubers, manyprickle acanthopanax roots, prepared rhizome of adhesive rehmannia and liquorice roots. The nutritional values of the corniculate spurgentian herb, the rambutan and the tomatoes are sufficiently utilized and are matched with the traditional Chinese medicines to have synergistic interaction, so that the functions of clearing liver and improving eyesight, enriching and activating blood, enhancing the human immunity and the like. The corniculate spurgentian herb, turmeric toot-tuber and tomato jam finished product has a sour and sweet, and fresh taste, and is easy to store; and after the corniculate spurgentian herb, turmeric toot-tuber and tomato jam is eaten for a long period, the discomfort of people usually using computers and eyes excessively to have dry eyes and blurred vision can be remarkably improved. The production method has a simple production process, is easy to realize and can comply with the market development requirements.

The invention discloses a traditional Chinese medicine preparation for treating type-2 diabetes, and the traditional Chinese medicine preparation is prepared by the following raw materials according to the mixture ratio by weight: 10-20 parts of radix salviae albae, 10-15 parts of membranous milkvetch root, 10-15 parts of dried rehmannia root, 6-12 parts of barbary wolfberry fruit, 10-15 parts of Mongolian snakegourd root, 5-10 parts of common anemarrhena rhizome, 5-10 parts of kudzuvine root and 1-2 parts of liquoric root. In addition to a certain hypoglycemic effect, the traditional Chinese medicine preparation can significantly improve the type-2 diabetes, in particular to the symptoms of dry mouth and throat, malaise, fatigue, soreness and weakness of waist and knees, burning heat, insomnia, blurred vision, dizziness, heart palpitations, limb numbness and pain, and the like of patients with deficiency of both qi and yin and the blood stasis type diabetes. The greatest feature of the traditional Chinese medicine preparation to be different from the existing technologies is that the radix salviae albae which is the special local herbal medicine in Shandong is firstly applied in the formula for treating the diabetes, thereby effectively improving the clinical treatment effect.

The invention discloses a composition for preventing and treating asthenopia and a preparation method and application of the composition. Each 100 parts by weight of composition is prepared from the following raw materials in parts by weight: 10-40 parts of semen cassia, 5-30 parts of blueberries / bilberries, 10-30 parts of lutein ester / lutein / lutein ester microcapsule powder, 10-30 parts of purple perilla seed oil / perilla oil microcapsule powder, 1-15 parts of phospholipid, 1-15 parts of guarana extracts, 0.1-3 parts of taurine, 0.01-0.5 part of vitamin C and 0.001-0.1 part of vitamin A / beta carotene. The composition can be compounded with an adjuvant for preparing drugs, health products and foods for preventing and treating asthenopia. The composition has the effects of supplementing eyes with nutrients and preventing and treating asthenopia, and can be applied to prevention and treatment of diseases, such as asthenopia, eye dryness, foreign body sensation eyelids heaviness, blurred vision, photophobia, tears, eyeball dryness, eye pain and eye congestion.