Ophthalmology

Eye examination with the aid of a slit lamp
System	Eye
Significant diseases	Blurred vision, cataract, macular degeneration, glaucoma, diabetic retinopathy
Significant tests	Visual field test, ophthalmoscopy
Specialist	Ophthalmologist
Glossary	Glossary of medicine

Ophthalmology (/ˌɒfθælˈmɒlədʒi/)^[1] is a branch of medicine and surgery which deals with the diagnosis and treatment of eye disorders.^[2] An ophthalmologist is a specialist in ophthalmology. The credentials include a degree in medicine, followed by additional four to five years of ophthalmology residency training. Ophthalmology residency training programs may require a one-year pre-residency training in internal medicine, pediatrics, or general surgery. Additional specialty training (or fellowship) may be sought in a particular aspect of eye pathology.^[3] Ophthalmologists are allowed to use medications to treat eye diseases, implement laser therapy, and perform surgery when needed.^[4] Ophthalmologists may participate in academic research on the diagnosis and treatment for eye disorders.^[5]