The frequency of HLA markers associated with rapid progression to AIDS was evaluated in Brazilian patients with AIDS exhibiting or not toxoplasmic retinochoroiditis (TRC).
98 AIDS patients (25 with TRC, 43 with anti-T. gondii antibodies but without TCR, and 30 without anti-T. gondii antibodies and without TCR) were studied.
To determine the frequency of asymmetries greater than 0.2 in the cup-to-disc ratio of a population of adolescents.
Fundus photographs of both eyes of 123 adolescents were digitized at the resolution of 300 pixels per inch (300 dpi), 8 bits, with a RBG color pattern. The measurements were performed using the Image J software, version 1.42,… (More)