• Of 60 attacks of ocular toxoplasmosis, in 37 (62%) no apparent macular problems were demonstrated on inspection, in seven (12%) active retinitis was evident within 5° of the umbo, and in seven (12%) some evidence was shown of mild macular edema; severe edema, such as cystoid macular edema, was uncommon.
Schlaegel TF, Weber JC. The Macula in Ocular Toxoplasmosis. Arch Ophthalmol. 1984;102(5):697-698. doi:10.1001/archopht.1984.01040030553014