Before revision: Even japanese ophthalmologist Ema Tenko, who studied under Snellen, created an eye chart that was used in Japan.Mishima, S. The History of Ophthalmology in Japan.
After revision: Even Japanese ophthalmologist Ema Tenko, who studied under Snellen, created an eye chart that was used in Japan.Mishima, S. The History of Ophthalmology in Japan.