Diseases 
What are the common diseases of the eyes?
The leading causes of blindness and low vision in the United States are primarily age-related eye diseases such as age-related macular degeneration, cataract, diabetic retinopathy, and glaucoma.
Other common eye disorders include amblyopia and strabismus.
What is the rarest eye disease?
Uncommon Ophthalmology: A Deeper Look into the Rarest Eye Disorders
- Anophthalmia and Microphthalmia.
- Bietti’s Crystalline Dystrophy.
- Behçet’s Disease.
- Idiopathic Intracranial Hypertension.
- Retinitis Pigmentosa.
- Retinoblastoma.
- Stargardt Disease.
- Usher Syndrome.
What are some eye diseases that cause blindness?
The five most common diseases that can lead to vision loss or blindness:
- Diabetic retinopathy.
- Age-related macular degeneration.
- Cataracts.
- Glaucoma.
- Eye injury or trauma.
What are some diseases of the cornea?
Corneal disease is a serious condition that can cause clouding, distortion, scarring and eventually blindness. There are many types of corneal disease. The three major types are keratoconus, Fuchs’ endothelial dystrophy and bullous keratopathy.