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 : 5.0V / 2.5A USB Cable: 1m USB Certification: CE/UL/GS/SAA
Energizer rechargeable batteries - features 9V - 175 mAh
Paddle for Lower Eyelid Eversion Dedicated device for eversion of the lower eyelid, ideal for inspection of the Meibomian glands...
With this support the EasyTear VIEW+ device can be mounted on slit lamp of any type and brands