Vision problems are common among school-age kids. Refractive errors are the most common reason for vision problems among school-age children. A child may not tell you that he or she has a vision problem because they may assume the way they see is the way everyone sees.
Nystagmus is a condition where the eyes move rapidly and uncontrollably. They can move side to side (horizontal nystagmus), up and down (vertical nystagmus) or in a circle (rotary nystagmus).The movement can vary between slow and fast and usually happens in both eyes. The eyes may shake more when looking in certain directions. People with nystagmus may tilt or turn their head to see more clearly. This helps to slow down the eye movements.Due to the involuntary movement of the eye, it has been known as “dancing eyes“.
A chemical burn occurs when a liquid or powder chemical contacts the eye. most commonly, the injury happens when a chemical splashes over the face. However, chemical burns may also result from rubbing your eyes after handling chemicals. depending on the chemical and the degree of exposure, the potential for injury ranges from temporary redness and irritation to blindness. Chemicals splashed into the eyes can also cause poisoning as they’re absorbed into the bloodstream many times more rapidly than chemicals splashed onto the skin.
Amblyopia, also known as lazy eye, is a disorder of sight due to the eye and brain not working well together. It results in reduced vision in an eye that otherwise typically appears normal. It is the most common reason for decreased vision in a single eye among children and younger adults.
People who consistently follow a healthy diet that includes colorful fruits, vegetables, and whole grains may show a decreased risk of cataracts. Antioxidant vitamins and phytochemicals found in fruits and vegetables that may reduce the risk of cataracts include vitamins A, C and E, lutein, and zeaxanthin. Consumption of fish, which is high in omega-3 fatty acids, also has been linked to potentially reduced risk of cataracts or their progression. Some recent studies have shown that the antioxidant vitamins C and E may decrease the development or progression of cataracts. The Nutrition and Vision Project found that higher intakes of vitamin C reduced the risk for cortical and nuclear cataracts. Results also showed that people who used vitamin C and E supplements for more than 10 years decreased the progression of nuclear cataracts.
Also Read: What Is Retinoscopy?And How Does It Help?
Glaucoma is a group of diseases that harm the eye’s optic nerve, which carries visual signals from the eye to the brain. glaucoma is that the second commonest cause of blindness in the world. This disease happens because of exaggerated pressure in the eye. The pressure causes injury to the optic nerve. this can cause loss of vision, and may also be painful.
Sometimes, it’s hard for an individual to understand that they have glaucoma. The vision can be lost very slowly. There are 2 types of glaucoma, the type that happens very fast, and the kind that happens slowly, over a long time. the most common type is open-angle glaucoma, chronic glaucoma, and glaucoma with less common types including closed-angle glaucoma and normal-tension glaucoma.
open-angle glaucoma develops slowly over time and there is no pain. side vision may begin to decrease followed by central vision leading to blindness if not treated. Closed-angle glaucoma can present gradually or suddenly. The sudden presentation may involve severe eye pain, blurred vision, mid-dilated pupil, redness of the eye, and nausea. Vision loss from glaucoma, once it has occurred, is permanent.Early detection, through regular and complete eye exams, is the key to protecting your vision from damage caused by glaucoma.
Also Read: Common Eye Diseases: Causes & Treatment
A complete eye exam includes 5 common tests to detect glaucoma
It is necessary to have your eyes examined frequently. Your eyes should be tested:
- before age 40, every two to four years
- from age 40 to age 54, every one to three years
- from age 55 to 64, every one to two years
- after age 65, every six to twelve months
- Anyone with high-risk factors should be tested every year or two after age 35.
“The good news is that glaucoma can be detected in its early stages through a comprehensive dilated eye exam.” With early detection, glaucoma is controlled through medications or surgery. Early treatment will protect the eyes against serious vision loss because glaucoma can begin to develop without noticeable symptoms, the best way to protect your sight from glaucoma is to have regular comprehensive eye examinations to assess your eye pressure, optic nerve health, thinning of the cornea, and other signs of potential problems.
The comprehensive eye examination includes:
A Health and Medication History
- Your overall health and that of your immediate family
- The medications you’re taking (prescription and over-the-counter)
- Questions about high blood pressure (hypertension), diabetes, smoking, and sun exposure
A Vision History
- How well you can see at present, as well as any recent changes in your vision
- Eye diseases that you simply or your family members have had, including macular degeneration and glaucoma
- Previous eye treatments, surgeries, or injuries
- The date of your last eye examination
Visual Acuity Testing
- Distance and near vision acuity tests to determine the sharpness or clarity of your reading and distance vision
- Testing your vision with totally different lenses sometimes contained in a machine called a phoropter, pictured at right to determine if your vision can be improved or corrected with regular glasses or contact lenses. this can indirectly help your doctor determine the size of your eye to determine whether you are in danger for particular types of glaucoma.
Basic visual field Testing
- This test is completed to determine how much what proportion what quantity side (or peripheral) vision you have and how much surrounding area you can see.
- The most common type of visual field test in a regular eye exam is called a confrontation field test. This test measures only the outer edge of the visual field and will not reveal changes in early glaucoma.
An Eye Health evaluation
- An examination of the anterior segment of your eye (the front third of the eyeball), including the cornea, pupil, iris, lens, and aqueous drainage structures, using a special microscope known as a slit lamp.
- A dilated eye (or fundus) examination that can that may be achieved with the use of special lenses will allow your doctor to see inside your eye and examine the retina and optic nerve. Your doctor might choose to prefer to like better to value more highly to favor to opt to use eye drops to see the retina and optic nerve more clearly.
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Eyes exercise is a set of massage methods that aims at promoting students’ awareness of eye-protection, improving blood circulation and relaxing muscles in ocular region, relieving asthenopia and preventing myopia. Eye strain also known as asthenopia is an eye condition that manifests itself through nonspecific symptoms such as fatigue, pain in or around the eyes, blurred vision, headache, and occasional double vision. Symptoms often occur after reading, computer work, or other close activities that involve tedious visual tasks.
Here are a few simple exercises to help rejuvenate and reduce the strain on your eyes:
Repeated blinking: Since a lack of blinking is one of the contributing factors to computer-induced eyestrain, as it dries your eyes, it’s very important to blink. Blinking every 3or4 seconds helps in reducing eye strain. When we watch tv or work on the computer we tend to blink less, allow your eyes to rest by blinking every few seconds.
Eye Rolling: Take a minute and make sure you roll your eyes while you’re working. Try rolling your eyes, tracing as big a circle as possible. Repeat about 4 times, then close your eyes, focus on your breathing and relax.
Palming: Start this exercise in a comfortable position. Rub your hands together for about 10 to 15 minutes till they’re slightly warm, now place them upon your eyes. Don’t touch the eyeballs directly, instead just keep your hands lightly over your eyes.
Focus on a distant object: It’s important to take your eyes off the computer screen and look away at something else for several seconds or a minute. Choose an object that is about 6 to 10 meters away from you and focuses solely on it for a few seconds without moving your head much. This gives some respite to the ciliary muscles that tend to be under a lot of stress.
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