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Diagnostic Lens EDL-20D

Ezer EDL-20D Diagnostic Lens; optimized aspheric design with small holding ring for precise Indirect Ophthalmoscopy.
Thanks to their tremendous versatility, the 20D lens is perhaps one of the most popular lenses used in ophthalmic today. These lenses allow practitioners to obtain a wide field of view in almost any situation. The EDL-20D by Ezer offers all of the benefits you look for in a 20D lens plus specialized, optical qualities only found in the most high-end diagnostic lenses. The lens is made of high-transmittance glass to achieve distortion-free, bright, clear images across the entire field. Whether at the slit lamp or with a headband BIO, users will benefit immensely from the computer optimized aspheric design of the EDL-20D.

Brochure User Manual
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Diagnostic Lens EDL-20D Ezer - us ophthalmic

Exam Principles

With indirect ophthalmoscopy, the fundus is illuminated by light passing through the EDL-20D lens. The returning light then passes back through the EDL-20D to form a real, inverted image of the fundus between the lens and the practitioner.


BIO Advantages

The advantages of binocular indirect ophthalmoscopy compared to direct exams are the excellent, stereoscopic field of view and the ability to assess subtle diffuse fundus color changes.

Diagnostic Lens EDL-20D Ezer - us ophthalmic

Outstanding Optics

The EDL-20D is made of high-transmittance glass to achieve distortion-free imaging. Users will obtain bright, clear images across the entire field.

Diagnostic Lens EDL-20D Ezer - us ophthalmic

Unique Features

The EDL-20D features a computer optimized aspheric design that minimizes reflections and delivers high-resolution images. A small holding ring also contributes to ease of use.

Additional information

Image Magnification X

2.11

Field of View

50°

Working Distance

1.85in

Focal Length

2.04in

Clear Aperture

1.9in

Lens Diameter

1.96in

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