@misc{indiciae2ee155ccefaa, title = {VISTECH contrast sensitivity testing in primary open angle glaucoma.}, author = {A Mathai and R Thomas and A Braganza and S Maharajan and T George and J Muliyil}, year = {1997}, url = {https://pubmed.ncbi.nlm.nih.gov/9475027/}, note = {Source identifier: 9475027} }