An eye examination is a series of tests performed by an ophthalmologist, optometrist, or orthoptist, optician, assessing vision and ability to focus on and discern objects, as well as other tests and examinations pertaining to the eyes.
When the pterygium is removed, the tissue that covers the sclera known as the Tenons layer is also removed. Auto-grafting covers the bare sclera with conjunctival tissue that is surgically removed from an area of healthy conjunctiva.
Trabeculectomy is a surgical procedure used in the treatment of glaucoma to relieve intraocular pressure by removing part of the eye's trabecular meshwork and adjacent structures.