This study endeavored to determine the best cut-off points for distinguishing between symptomatic and asymptomatic subjects with the TNO (global) and Titmus (local) stereopsis tests. They were determined to be 90 and 45 seconds of arc, respectively, in the population of 174 students.
Momeni-Moghadam, Hamed; Kundart, James; and Ehsani, Marzieh, "Comparison of Stereopsis with TNO and Titmus Test in Symptomatic and Asymptomatic University Students" (2011). Faculty Scholarship (COO). 19.