Discover how converging lenses create real and virtual images in this clear and engaging physics tutorial. This video breaks down the principles of refraction, focal points, and image formation, using ...
Four times the diagnostic capabilities in one-fourth the space. The all new TRK-1P 4-in-1 instrument combines the latest technology into one compact unit. The TRK-1P features a complete Auto Alignment ...
The all-new OptoChekâ„¢ Plus Auto Refractor + Keratometer, part of the VisionChekâ„¢ Digital Exam Suite, combines technology with simplicity at the core of your exam. The new, compact, modern design and ...