Medically reviewed by Michael Menna, DO Key Takeaways The iris is the colored part of the eye that helps control how much ...

Sudden loss of accommodation can result from numerous etiologies, including head trauma, encephalitis, oculomotor nerve palsy, uveitis, and viral diseases. 1 Many drugs, such as tricyclic ...

Intraocular lenses (IOLs), implanted in the eye as treatment for cataracts or myopia, are a growing global market in an ageing population, one estimated to be worth more than $4.5 billion by 2022.