FEATURES

1. High-Precision Design
2. Durable Construction
3. Compact & Lightweight
4. Enhanced Visibility

QUANTITY: 1 PCS

SKUY: Optra105

It is a handheld, lightweight tool—often made of plastic with an ergonomic handle—used by optometrists to block vision in one eye so they can test and measure the visual acuity of the uncovered eye.