Professional 20 Degree Vision Alignment and Phoria Measuring Tool Kirby Up to 48 hours of

Up to 48 hours of battery life with charging case

20 USB Ports for Charging & Syncing: Connect and power up to 20 devices at once

1 × Teleprompter

0: Connect to two devices simultaneously with fast

Chemical: Safe

Professional 20 Degree Vision Alignment and Phoria Measuring Tool Kirby Up to 48 hours ofEnsure accurate eye alignment assessments with this professional grade vision measuring tool. Designed for ophthalmic and optometric use, it provides precise testing of phoria and strabismus, helping specialists and trainees conduct quick and reliable visual evaluations. Key Features Accurate Measurement Range Measures from 0 to 20 prism diopters for precise vision alignment analysis. Easy Calibration Clear sub stroke markings of 1 diopter ensure high