The shown procedure is helpful in diagnosing?
Procedure shown is Swinging Flashlight test : used for diagnosis of Marcus Gunn Pupil Relative afferent pupilary defect (RAPD) Or Marcus Gunn Pupil Site of Lesion Causes Pupil at Presentation Light Reflex Special Points Retina or optic nerve -Incomplete optic nerve lesion -Optic neuritis -CRAO/CRVO -Retinal detachment -IsocoriaEqual pupil size in both eyes -Incomplete optic nerve lesion -Optic neuritis -Light on normal eye (LE) Both pupil constrict -Light on Abnormal eye (RE) Both pupil dilate PARADOXICAL DILATATION Pupillary Escape phenomenon (dilatation produced by withdrawing light from normal eyes outweighs constriction by abnormal eye) Swinging Flashlight test is done for Diagnosis -Leads to fatigue of neural tissue -Earlier on the side of lesion
Adies pupil
Horner's pupil
Marcus Gunn Pupil
Pin point pupil
Neuro Ophthalmology