Vision tester
- Product Feature
- Product Function
- Product Principle
The detected people (adults and children) will conduct the measurement of the myopia, hyperopia, color blindness, astigmatism according to national standards. All the international standard visual chart, Lanshi ring visual chart, Latin alphabet visual chart and Arabic numerals visual chart can adjust and choose the measuring distance (6.3M, 5M, 4M, 3M, 2.5M, 2M, 1.5M, 1.2M, 1M), and can also choose the objects size.
The detected people (adults and children) will conduct the measurement of the myopia, hyperopia, color blindness, astigmatism according to national standards. All the international standard visual chart, Lanshi ring visual chart, Latin alphabet visual chart and Arabic numerals visual chart can adjust and choose the measuring distance (6.3M, 5M, 4M, 3M, 2.5M, 2M, 1.5M, 1.2M, 1M), and can also choose the objects size.
The detected people (adults and children) will conduct the measurement of the myopia, hyperopia, color blindness, astigmatism according to national standards. All the international standard visual chart, Lanshi ring visual chart, Latin alphabet visual chart and Arabic numerals visual chart can adjust and choose the measuring distance (6.3M, 5M, 4M, 3M, 2.5M, 2M, 1.5M, 1.2M, 1M), and can also choose the objects size.
- Fetal and maternal heart rate⋯
- Accuracy and reliability of fetal⋯
- Intrapartum Heart Rate Ambiguity⋯
- The quality of intrapartum fetal⋯
- more +
