Optic disc
The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also called the optic nerve head.
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- Optic nerve
The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina, the nerve layer that lines the back of the eye and senses light and creates impulses. These impulses are dispatched through the optic nerve to the brain, which interprets them as images. Using an ophthalmoscope, the […]
- Optic nerve head
The circular area in the back of the inside of the eye where the optic nerve connects to the retina.
- Optic nerve pathways
The course of the chemical and electrical impulse from light stimulating the retina as it passes from the optic nerve to the vision center of the brain. The left and right branches of the optic nerves join behind the eyes, just in front of the pituitary gland, to form a cross-shaped structure called the optic […]
- Optic neuroma
A rare benign tumor of the optic nerve.
- Optician
A specialist in fitting eyeglasses and making lenses to correct vision problems. An optometrist performs eye examinations and writes prescriptions for corrective lenses; an optician fills that prescription.