YUANYAN Standard Logarithmic Eye Chart Light Box — Even Illumination, Aluminum Frame, Wall Mounted

The YUANYAN Standard Logarithmic Eye Chart Light Box provides accurate, standardized distance visual acuity testing for ophthalmic and optometric examinations. Designed for wall mounting at a 5-meter test distance, it combines a uniform fluorescent light source with a high-definition acrylic panel printed with standard logarithmic E-type optotypes. The sturdy electrophoretic aluminum frame and easy-access panel make it simple to install and maintain, while the integrated astigmatism chart and red-green color-vision blocks extend its screening capability.

Key Features

• Standard logarithmic E chart for distance visual acuity testing at 5 m
• Even, uniform illumination for clear, glare-free optotype reading
• High-definition acrylic light-transmitting panel for sharp, distortion-free characters
• Durable electrophoretic aluminum frame — lightweight, corrosion resistant
• Built-in astigmatism (radiating lines) chart and red-green test blocks for additional screening
• Wall-mounted design with rear hanging hooks for quick installation
• Easy maintenance with accessible frame and replaceable light source

Specifications

Applications

Hospitals · Clinics · Ophthalmology and optometry departments · Optical shops · School and physical examination centers · Medical distributors