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FAQ Library

Ophthalmic Lenses

Ophthalmic Lenses

BIO Lenses

Do you have a BIO lens that allows me to look at the extreme periphery to check for retinal tears?

Do you have a lens I can use without dilating my patients?

Can I use my BIO lens to perform lasers for ROP?

Do you recommend the 20D or the Pan Retinal Lens?

Do you have any tips for stabilizing my lens? My lens keeps slipping/falling!

I am not able to view far out to the periphery as noted on the specifications/I am not able to get a wide field of view and only catch glimpses of the posterior pole. What should I do?

Which is the best BIO lens for pediatric patients, sometimes they have small eyes and don't sit still, do you have a lens I can use? Also, what is a good lens for geriatric patients.

Which BIO lens allows me to get a zoomed in view of the posterior pole/optic nerve head/macula?

Which is the best BIO lens to use for small pupils?

Which lens do you recommend specifically for examining ROP?

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Slit Lamp Lenses

Which lens is better for wide angle viewing - the 90D or 78D?

Why does the 78D have larger Field of View (FOV) than the 90D?

I get too much glare/reflections when using the Digital Wide Field; what do I do?

Which lens can I use for looking at the periphery?

Do I have to dilate with the SuperField or Digital Wide Field?

Which is the widest field slit-lamp lens for a retinal exam?

Is there a lens that you recommend for easy cup to disc ratio assessment/calculations?

I don't see any difference in field when using the Digital Wide Field compared to the 90D; what is going on?

What lens is an upgrade to my 78D?

Which lenses can I use without dilating the patient at the slit lamp?

What lens is best for small pupil/miotic pupil exams?

Is the Digital Wide Field better than the 90D?

I am a glaucoma specialist; which is the best lens to examine the posterior pole/optic nerve head/macula?

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Gonioscopy Lenses

What is the purpose of a flange on a gonio lens?

What is a 6-mirror/G-6 gonio lens used for?

Can you do laser procedures with Gonio lenses?

What is a 3-mirror/G-3 gonio lens used for?

What is a 4-mirror/G-4 gonio lens used for?

Which gonio lens is suitable for pediatric patients?

Can I do compression/indentation with a gonio lens?

How do you disinfect Gonio lenses?

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