It is the lack of vision. It may also refer to a loss of vision that cannot be corrected with glasses or contact lenses. Partial blindness means very limited vision and complete blindness is not being able to see anything at all. The most common causes are: cataracts, glaucoma, age related macular degeneration, corneal opacification, childhood blindness, refractive errors, trachoma, diabetic retinopathy and birth defects.
HOW IS BLINDNESS DIAGNOSED?
It is important that people be examined by an ophthalmologist specializing in low vision care prior to rehabilitation
HOW IS BLINDNESS TREATED?
In some cases of vision impairment, the following may be helpful:
• contact lenses
In partial blindness, guidance on how to function with limited vision is necessary.
DID YOU KNOW?
In case of unexplained or complete blindness that mostly occurs from birth onwards, the doctor may ask the patient to lean Braille or get take other such measures.