Perimetry Simulator

Alternate Pupil Reflex

Light Response Pupil Test. The light response pupil test assesses the reflex that controls the size of the pupil in response to light.

Visual Field Defects Retina

Lesions that affect the inferior portions of the visual system (in the retina, optic nerve, or even visual cortex) cause superior visual field defects.

Visual Field Defects Optic Radiations

IThe optic pathway includes the retina, optic nerve, optic chiasm, optic radiations, and occipital cortex (see figure Higher visual pathways ).

visual field defects opticdisc

Optic disc drusen does not requiretreatment, and patients generally have good visual prognosis.

Visual Field Defects Chiasm

The visual field defect seen in the chiasmal syndrome is typically a bitemporal hemianopsia.


Perimetry,Also known as: visual field test.