MS, DNB, FICO, CORNEA & REFRACTIVE SURGERY FELLOWSHIP OPTIC ATROPHY Dr. MANOJ VASUDEVAN MS, DNB, FICO, CORNEA & REFRACTIVE SURGERY FELLOWSHIP

WHAT IS OPTIC ATROPHY It is the condition used to describe the optic disc following degeneration of the optic nerve.

POA VS NORMAL

NORMAL VS OPTIC ATROPHY

TYPES OF OPTIC ATROPHY PRIMARY OPTIC ATROPHY: When the OA is due to any disease affecting the optic nerve but there are no ophthalmoscopic evidence of previous inflammation. SECONDARY OPTIC ATROPHY: When the OA is due to any disease affecting the optic nerve with a clear ophthalmoscopic evidence of previous insult of the optic nerve.

PRIMARY OPTIC ATROPHY

SECONDARY OPTIC ATROPHY

CAUSES OF OPTIC ATROPHY PRIMARY OPTIC ATROPHY Multiple sclerosis Lebers disease Compressive lesions of orbit/brain Toxic optic neuropathy-Lead, Tobacco. SECONDARY OPTIC ATROPHY Papillitis/Optic neuritis Neuroretinitis Papilloedema

CLINICAL FEATURES OF OPTIC ATROPHY Optic Disc of PRIMARY OPTIC ATROPHY- Pale & CHALKY WHITE, well defined margins and the background retina normal. Optic Disc of SECONDARY OPTIC ATROPHY- DIRTY WHITE, ill defined margins and background retina may be affected.

CLINICAL FEATURES OF OA VA: Patient is blind in the eye with OA. PUPIL: Dilated not reacting to light, if partial and unilateral- Look for MARCUS GUNN PUPIL/RAPD. Early or partial atrophy- Color vision- defective, Visual fields- Central scotoma

SPECIFIC TYPES CONSECUTIVE OPTIC ATROPHY CRAO Retinitis Pigmentosa CAVERNOUS OPTIC ATROPHY Glaucomatous optic atrophy

CONSECUTIVE OPTIC ATROPHY RETINITIS PIGMENTOSA CRAO

FOSTER-KENNEDY SYNDROME

INVESTIGATIONS To find out the cause of the optic atrophy to prevent further loss in the same eye and safe guard the fellow eye. Sometimes may show a SOL of the brain and save the patients life. RADIOLOGY- CT/MRI SCANS!!!!! Investigations accordingly.

TREATMENT NO TREATMENT ONCE OPTIC ATROPHY SETS IN. BAD PROGNOSIS. EARLY INTERVENTION AND TREATMENT OF THE CAUSE SHOULD BE ATTEMPTED.