visual field defects opticdisc
Optic disc drusen does not requiretreatment, and patients generally have good visual prognosis.
Optic disc drusen does not requiretreatment, and patients generally have good visual prognosis.
IThe optic pathway includes the retina, optic nerve, optic chiasm, optic radiations, and occipital cortex (see figure Higher visual pathways ).
Lesions that affect the inferior portions of the visual system (in the retina, optic nerve, or even visual cortex) cause superior visual field defects.
Light Response Pupil Test. The light response pupil test assesses the reflex that controls the size of the pupil in response to light.
The consensual reflectionis any reflection observed on one side of the body when the other side has been stimulated. This reflex is evidenced mainly in the process of contraction of the pupil of both eyes by illuminating only one of them (Dictionary, 2017).