Video link on Youtube:

https://youtu.be/yk8fm19mzr8

Features

◆ The filament can be 360° rotated and move upward and downward.

◆ Astigmatism axis can be quickly and precisely measured.

◆ The light can be converged, radiated and paralleled.

◆ Brightness can be continuously adjusted.

◆ Recharging conveniently and quickly.

◆ Overcharge prevention protects the battery.

◆ Optional head of ophthalmoscope.

Specifications