Description

The 2425 ETDRS Illuminator Cabinet by Precision Vision is an essential tool for standardized clinical vision testing and research. Renowned as the international gold standard, it is specifically designed for use with ETDRS (Early Treatment Diabetic Retinopathy Study) style visual acuity charts, making it indispensable in clinical trials and vision research.

Illumination Technology

Available in both traditional fluorescent and modern LED versions, the cabinet offers advanced illumination technology. The latest model, 2425Ev4, features custom-manufactured LED bulbs with internal power management, eliminating the need for a cabinet ballast. These LED bulbs are meticulously designed and calibrated by Precision Vision to ensure consistent luminance, with a recommended replacement every two years for optimal clinical performance.

Luminance Configurations

The LED models provide various luminance configurations:

• 2425LED-100: On/Off at 160 cd/m²
• 2425LED-200: 3 presets at 3, 85, and 160 cd/m²
• 2425LED-300: 7 presets ranging from 3 to 800 cd/m²
• 2425LED-Custom: Customizable presets with 1 to 9 options

Compatibility and Use

The cabinet is compatible with all ETDRS style eye test vision charts, including Sloan and Tumbling E series. It supports both visual acuity and contrast sensitivity testing, making it suitable for various ophthalmic applications. The cabinet's dimensions are 63 x 65.5 x 17.8 cm, with a chart viewing area of 62 x 65 cm, and it includes a convenient chart storage pocket.

Mounting Options

For versatile installation, the cabinet can be wall-mounted or made mobile with an optional 5-leg caster base, sold separately. Its construction is performance-welded for durability, and each unit is individually quality tested and calibrated. Color options include Traditional Beige and Cobalt Black.

Electrical Specifications

Designed for global use, the cabinet is available in different voltages (100V, 120V, 230V) and complies with CE standards. It is approved by the National Eye Institute and the FDA, ensuring adherence to high-quality standards.

Product Evolution

Earlier versions of the cabinet, such as v1, are now obsolete, while v2 and v3 remain in use but are recommended for replacement due to future bulb availability. The v4 and LED models are highly recommended for all current and future clinical and research applications, providing reliable performance and compliance with evolving regulations.