Lenses for indirect ophthalmoscopy
Ophthalmic aspheric lenses 15D, 20D, 30D, 40D, 60D, 78D, 90D are designed for noncontact ophthalmoscopy of the eye ground providing a high-resolution image of the retina pattern. Lenses are placed between the doctor’s ophthalmoscope and the patient’s eye, the image is formed between the lens and the eye of the doctor, the magnification of the image depends on the focal length of the lens.
Ophthalmic lenses operating conditions: temperature range from + 10 °С to + 35 °С, relative humidity is not more than 80% at 25 °С.
The service life of ophthalmic lenses is at least 10 years.
|Model||Overall dimensions, mm||Clear aperture,
|LO 15D||Ø62 х 14,5||52||65,5||55|
|LO 20D||Ø58 х 16,4||48||50,5||52|
|LO 30D||Ø46 х 11||36||33,4||40|
|LO 40D||Ø42 х 11,1||32||24,9||35|
|LO 60D||Ø34 х 12||26||16,7||27|
|LO 78D||Ø34 х 14,5||26||12,9||33|
|LO 90D||Ø27 х 12,3||19||11,2||17|