 Clinical evaluations: We performed full ophthalmologic examinations of all subjects, including: visual acuity, intraocular pressure measurements Goldman, slit lamp, anterior segment photography, visual field test Humphrey 750, Carl Zeiss, Germany, Anterior segment OCT Carl Zeiss, Germany. If the refractive medium is clear, we also performed funduscopy, gonioscopic and retinal nerve fiber layer RNFL thickness measurements Carl Zeiss, Germany. 