Low Vision Symptoms and Causes
A person is said to have low vision when, because of an eye disease, he or she is unable to achieve normal visual acuity in the better eye, even while wearing corrective lenses such as glasses or contact lenses. Millions of Americans have a severe enough impairment to cause an inability to read newsprint with ordinary glasses.
Low Vision Symptoms
The main symptoms of low vision including difficulty with many aspects of sight, including:
- Distinguishing colors and objects
- Recognizing faces and objects
- Seeing signs
Low Vision Causes
Low vision can result from a variety of ocular disorders such as cataracts, glaucoma, and diabetic retinopathy. One of the most common causes of vision loss in the elderly is a retinal disorder known as macular degeneration. Although macular degeneration does not cause total blindness, it can affect the eyes in such a way as to reduce central vision, thus impairing the ability to see details.