Which spot is the point of clearest vision ?

The outer portion of cerebrum is an aggregation of cell bodies of neurons called 

Which spot is the point where vision is not possible ?

By the stimulation of _______, impulses are produced.

Glaucoma  affects

Vestibule is a part of 

_________ is a covering formed by fat.

The _________ is enveloped by myelin sheath in some neurons.

Optic nerve is a ______________.

_____________ detect light, and convert it to Electro -chemical impulses in neurons.