Huvitz CCP-7000 - 2-3 Basic Principles and Visual Angle

5
2-3 Basic Principle
2-3-1 Visual angle
※ Optometric standards
The circular symbol corresponding to a visual acuity of 1.0, has a notch
forming a visual angle of 1’ when viewed from a distance of 5 m.
C
5 m
1 '
General Chart:
[Fig. 4 E2]