Vision

Due to diffraction a lens will cause the image of a point source to be a blurred circle, what is the name for this phenomena?

What type of aberrations occur due to the edge of a lense refracting light stronger than the centre?

What type of aberrations are caused due to different wave lengths refracting differently?

What colour wave length is the human eye least well suited for?

What is the medical term for short sightedness?

And the medical term for long sightedness?

How many optical surfaces are there in the eye?

What is the name given to the transparent collagen fibrils in the cornea?

What is the name for the transparent protein that constitutes the cells of the lens?

What is the medical term for clouding of the lens?

What canal in the eye is used alongside the trabecular meshwork to drain the aqueous humour?

What is the unit of measurement for strength of a lens?

What nucleus does the occulomotor nerve act through to control ciliary muscles?

A charecteristic of neurosyphilis is that a pupil may not react to light but will react to accomodation, what type of pupil is this known as?

Accomodation is the change in size of the lens to bring near or far objects into focus, would the lens be constricted or dilated to focus on a near object?