Poor vision can be caused by nearsightedness, farsightedness, astigmatism, macular degeneration, cataracts, glaucoma, and diabetes. These conditions can be corrected with eyeglasses, contact lenses, or surgery. Myopia is the most common eye disorder, while presbyopia is age-related. Astigmatism is related to the shape of the eyeball and can be present at birth. Cataracts can be removed by surgery, while glaucoma cannot be reversed and can lead to blindness.
Poor vision is usually caused by three main conditions: nearsightedness, farsightedness, and astigmatism. These three conditions can usually be corrected with eyeglasses or contact lenses. In some cases, depending on the overall health of the individual and the severity of the condition, eye surgery may also be an option.
Myopia is an eye condition that causes the patient to be able to see things that are up close, but have a reduced ability in their long range vision. This type of bad vision is also called myopia and is considered to be the most common eye disorder. It can usually be corrected with eyeglasses or surgical procedures.
Some people are able to see things clearly at a distance, but cannot focus on objects close to them. This type of condition is called farsightedness or farsightedness. Sometimes this condition worsens with age and is the most common type of vision problem in people over the age of 40. Presbyopia is a condition similar to myopia and is also considered age-related. Those with presbyopia typically only need eyeglasses to help them read the small print.
Macular degeneration is a type of eye disease that is the root cause of many cases of poor eyesight. There are two types of macular degeneration, called “wet” or “dry” degeneration. Dry generation is the result of tissue loss in the retina of the eye. Wet macular degeneration is thought to be caused by loss of blood vessels in and around the retina. Both types of macular degeneration are considered age-related vision disorders.
Another type of eye condition that is a common cause of vision problems is called astigmatism, a condition related to the shape of the eyeball itself. Normally, eyes are round in shape, but people with astigmatism have eyeballs that are shaped more like a soccer ball. This form causes reflection problems that usually interfere with both long- and short-range vision. People with this condition often have vision problems even when they are very young children, as the condition is usually present at birth. Astigmatism can usually be corrected with eyeglasses.
Other causes of vision problems could include vision loss caused by diabetes, cataracts and glaucoma. Cataracts and glaucoma are both much more common in older people, although they can occur in any age group. Cataracts are growths on the surface of the eyeball and can usually be removed by surgery. Medical research has not yet found a way to reverse glaucoma. In some cases, it can lead to blindness.
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