Monitoring visual function


How does the eye work?

Routine eye tests


The eyeball is a magnificent contraption of brain tissue that protrudes during development to form said ball. It works to capture and process photons in light, and transmit the compressed information via the optic nerve to the visual cortex in the brain. This journey starts in the retina, which is the innermost layer at the back of the eye containing the light receptors and cells involved in this process.

Having two eyes provides binocular vision which enhances depth perception, gives a wider visual field and better distance perception.

The eye has many different components that work in unison to enable vision. On its surface and lining the eyelids, the conjunctiva secretes mucus and tears, lubricating the eye and providing immune surveillance via the many microvessels. The sclera is the white of the eye and contains collagen and elastic fibre that protects the…

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