Eight Well Flipper with Laser Axis Markings

Features:

• Highly visible laser engraved axis markings (not sticker labels, as available on other models)
• Quick and easy to use, improving examination efficiency.
• Aid to test the dynamics and sustaining ability over time of relative accommodation directly and relative vergence indirectly.
• Other uses include the demonstration of increased add powers on presbyopic prescriptions; demonstration of additional power additions at the multiple distances that are required for computer use, and pre-presbyopes who suffer from near vision asthenopia.