The opposite of nearsightedness is far-sightedness, or hyperopia. With this disorder, the lens of the eye focuses images behind the retina, making nearby objects appear blurry.
Astigmatism, happens when the eye lacks a single point of focus. This can be the result of an abnormality within the lens. Some objects may appear blurry while others clear.
Retinal detachment is not always painful but you definitely must seek medical attention as soon as possible because eventually it can cause blindness.
Colour blindness is when people see colours normally in bright light but cannot tell the difference between reds and greens in dim light.
If you experience difficulties seeing properly at night, you may have a deficiency in vitamin A, or a disease of the liver or retina.
If you are having difficulties with your vision, it is wise to seek the advice of an optometrist who will perform eye test. If the eye test reveals that your vision is impaired, you may need to buy a pair of prescription glasses or contact lenses.
Disorders such as cataracts, macular degeneration, and retinal detachment require surgery.
For astigmatism, the accepted prescription is a lens that will correct the uneven cornea. You will normally have a choice between glasses and contact lenses.
Some cases of retinal detachment can be corrected with laser surgery, which has a high rate of success.
Alternative remedies rely on correcting mineral and vitamin deficiencies that may contribute to vision problems.
Herbal Therapies - A daily dose of bilberry is reported to be useful for improving the flow of blood in the vessels of the eye, particularly for people with night blindness and nearsightedness. A daily dose of bilberry is reported to be useful for improving the flow of blood in the vessels of the eye, particularly for people with night blindness and nearsightedness.
To help strengthen the retina, people with night blindness can take vitamin A. Zinc may be helpful for night blindness. It is said to aid in adaptation to darkness and to strengthen the retina. Selenium, magnesium, and vitamin C supplements are antioxidants reported to prevent deterioration of the retina.
Take some time out to rest your eyes if they feel tired or overworked. Lie down in a dark room and cover your eyes with a cool washer or cucumber on each eye - this can be very soothing.
Resting your eyes when they are overworked is the first line of defence against vision problems. A well-balanced diet will help your eyes stay healthy and your vision sharp. Take the supplements listed above to improve vision. Stay clear of cigarette smoke and avoid pollution.
When to seek further professional advice