Near vision tester Test Distance: 36cm CE, FDA, ISO, 1st class quality Light weight, Easy for carrying Near vision testerTest Distance: 36cmCE, FDA, ISO, 1st class qualityLight weight, Easy for carryingPromotion, 18 month warrantyNear vision testerThe refractive tests include:1. Measurement of visual acuity using letter and illiterate E-char, and Times Roman reading types.2. Accurate ...