Unilateral pigmentary retinitis. An uncommon case.

Abstract

The case of a sixty year-old feminine patient is presented, remitted the pigmentary retinosis Reference National Center in February of 2000 for the ophthalmologist of its municipality. To the interrogation the fact of visual decrease was picked up for the left eye, mainly at night and in not well illuminated sets of more than 20 years of evolution, personal antecedents of central retinal vein thrombosis and allergic rhinitis (general) and family of diabetes mellitus and arterial hypertension. In the ophthalmological exam the visual decrease was verified for the left eye (0,6 wc), opacity later subcapsular of the crystalline lens, vitreous cellular and with floccules, papilla waxy, diminished glasses of caliber, attenuation of the foveal shine, visible choroids and pigments like bony cells form in the four quadrants of the retina. The exam of the right eye was normal. The evolutionary investigations (during 10 years) showed Goldman perimeter results concentric reduction of the visual field, electroretinography standardized no registerable, electroculumgraphy with Arden’s index diminished and sensibility to the contrast in 0,3 at left eye. The complementary exams of routine didn't throw alterations and the serological tests for infectious diseases were negative. It was carried out the differential diagnosis with the typical pigmentary retinosis and other atypical forms, as well as with secondary retinitis.