Vision disorder
Vision Disorder
Vision disorder (pronunciation: /ˈvɪʒən dɪsˈɔːdər/) refers to any condition that affects the ability to see. These disorders can range from common conditions such as myopia (nearsightedness) and hyperopia (farsightedness) to more serious conditions like glaucoma and macular degeneration.
Etymology
The term "vision disorder" is derived from the Latin word "visio", meaning sight, and the Greek word "disorder", meaning irregularity or disturbance.
Types of Vision Disorders
There are several types of vision disorders, including:
- Refractive errors: These are the most common type of vision disorder and include conditions like myopia, hyperopia, astigmatism, and presbyopia.
- Eye diseases: These include conditions like glaucoma, macular degeneration, cataracts, and diabetic retinopathy.
- Color blindness: This is a condition that affects the ability to distinguish between different colors.
- Amblyopia: Also known as lazy eye, this is a condition that occurs when the vision in one eye is significantly better than the other.
- Strabismus: This is a condition where the eyes do not align properly.
Causes
Vision disorders can be caused by a variety of factors, including genetics, aging, injury, disease, and certain medications.
Treatment
Treatment for vision disorders depends on the specific condition and its severity. Options may include glasses, contact lenses, medication, or surgery.
See Also
External links
- Medical encyclopedia article on Vision disorder
- Wikipedia's article - Vision disorder
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