Mention the benefits of the third eyelid in surgery to treat corneal ulcers

The eye is responsible for VISION. Complete the sentences below to review the accessory structures of the eye:   Selections: eyelashes, eyebrows, lacrimal gland, conjunctiva, extraocular muscles, eyelids Attached to the eye are the    (eyelashes, eyebrows, lacrimal gland, conjunctiva, extraocular muscles, eyelids)                      ["", "", "", "", "", ""]            that allow us to point our eyes in various directions. The anterior portion of each eye is protected by the                (eyelashes, eyebrows, lacrimal gland, conjunctiva, extraocular muscles, eyelids)               ["", "", "", "", "", ""]            . These structures have       (eyelashes, eyebrows, lacrimal gland, conjunctiva, extraocular muscles, eyelids)                        ["", "", "", "", "", ""]            projecting from their edges, which protect against dust and airborne particles, and their internal surface is lined by the          (eyelashes, eyebrows, lacrimal gland, conjunctiva, extraocular muscles,…

Diagramatically represent the disorder of hypermetropia and other diagram with the lens of correction.

Which of the following are associated with retina?