The yellow filter you are using in combination with the blue LEDs on and instillation of fluorescein.
Is used to test and evaluate the application BUT contact lenses.
FEATURES: plug : EU/UK/US/AU Input : 100 ~ 240V , 50-60Hz Output : 24V / 0.5A Cable : 2...
Energizer rechargeable batteries - features 9V - 175 mAh
Kit of 6 grids with different types of graphics to better highlight the drying of the tear on the...
FEATURES: plug : EU/UK/US/AU Input: 100 ~ 240V , 50-60Hz Output : 5.0V / 2.5A USB Cable: 1m USB Certification: CE/UL/GS/SAA