![]() ![]() ![]() Slit lamp examination revealed normal anterior structures and no anterior segment inflammation. His intraocular pressure was normal (17/16 mmHg). He had no other ocular, medical, or surgical history.īaseline visual acuity (VA) was 20/20 in the right eye (RE) and 20/63 in the left eye (LE). We present a case of a young patient who quickly developed pigmentary changes in his left retina mimicking a unilateral RP after an episode of bilateral pars planitis.Ī 17-year-old man with no known past medical history, presented with 6 months of blurry vision in both eyes. In all of these cases (lupus, Fuchs’ heterochromic iridocyclitis, syphilis, toxoplasmosis, cytomegalovirus, rubella, measles or diffuse unilateral subacute neuroretinitis) RP must be ruled out. Few inflammatory eye diseases like congenital infections have been described, causing a fundus appearance similar to RP. Some disorders as melanoma of the choroid can lead to retinal changes with pigment irregularities, mimicking RP. When no pigmentation is observed in the fundus despite documented abnormalities of retinal cell function, the term RP sine pigmento has been used. In the earliest stages, especially in young patients without symptoms, the fundus usually appears normal and the diagnosis may be delayed. Retinal pigmentary changes as coarse clumps in a “bone spicule” configuration are typically observed in RP, but fundus appearance depends on the stage of retinal degeneration. However, unilateral cases have been described as a rare manifestation form of RP. It usually comes with a bilateral, symmetric impairment of visual functions along with night blindness and gradually concentric loss of peripheral vision. It is a major cause of visual disturbance and blindness in all age groups. Retinitis pigmentosa (RP) refers to a group of inherited diseases causing retinal degeneration. ![]()
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