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S (Sclera to Superior Colliculus)

Sclera

Friday, January 15th, 2010

White of the eye. The outer layer of the eyeball.

Scleral Buckle

Friday, January 15th, 2010

Surgical procedure involving the ‘buckling’ inwards often by means of stitching a piece of silicone to the sclera to repair a retinal detachment by pushing the inside surface and sandwiching the retina between the eyeball and the vitreous.

Scotoma

Friday, January 15th, 2010

 Retinal blindspot caused by a malfunction or damage. Also exists naturally where the optic nerve enters the eye.

Scotopic Vision

Friday, January 15th, 2010

Vision where only the rods are working (e.g. at night).

Sjogren’s Syndrome

Friday, January 15th, 2010

A predominately middle-aged or elderly female condition. An inflammatory disease effecting glands and tissue resulting in conditions such as dry eyes and mouth which can lead to infections.

Slit Lamp

Friday, January 15th, 2010

Instrument used for the examination of the front portion of the eye (the cornea through to the posterior capsule). Particularly important in the aftercare of contact lens fitting to monitor the state of the cornea.

Spectrum

Friday, January 15th, 2010

The splitting of white light into its component parts due to their different wavelengths. Most commonly seen in the natural world as a rainbow. Can be artificially induced by passing a beam of white light through a prism where the colours red, orange, yellow, green, blue, indigo and violet are then visible.

Strabismus

Friday, January 15th, 2010

See cross-eyed.

Sty

Friday, January 15th, 2010

Inflammation of the fluid producing glands situated in the eyelids.

Superior

Friday, January 15th, 2010

Refers to the upper portion when referring to the eye and its surroundings.

Superior Colliculus

Friday, January 15th, 2010

Otherwise known as the optic lobe it is the portion of the brain responsible for vision.