COLOR-VISION IN RETINITIS-PIGMENTOSA - INFLUENCE OF CYSTOID MACULAR EDEMA

In retinitis pigmentosa patients the effect of cystoid macular edema o n colour vision was studied. The occurrence of cystoid macular edema d ecreases with increasing colour vision defect. The mutual proportion o f the main types of colour vision defects remains stable until visual acuity has dropped to 0.5; at lower VA levels the number of red-green defects increases. Neither the finding of a blue-yellow colour vision defect in FM 100 Hue testing nor the appearance of anomaloscopic pseud oprotanomaly is influenced by cystoid macular edema. The authors concl ude that cystoid macular edema in retinitis pigmentosa patients mainly affects visual acuity and not colour vision. They also noted a famili al occurrence of cystoid macular edema.