<prompt> The most common condition of inherited blindness due to mitochondrial chromosomal anomaly is :Retinopathy of prematurityLebers Hereditary Optic neuropathyRetinitis pigmentosaRetinal detachment  <response>: B i.e. Lebers hereditary optic neuropathy - Lebers hereditary optic neuropathy WON is a rare cause of bilateral optic neuritis Q which results from maternal mitochondrial DNA mutationsQ - Young male 15-35 years presenting with bilateral sequential acute or subacute, severe, painless loss of vision with in weeks or months of first in both eyes with normal or brisk papillary response, centrocecal scotoma and disc findings hyperemia, edema, and talengiectatic microangiopathy in acute phaseQ are diagnostic of lebers hereditary optic neuropathy. 