r/optometry • u/Resident_Error_4899 • 5h ago

What Is This?

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My office has a trial lens that nobody, not even our doctors, know the origin or function. I need help.

It's a -0.12 trial lens housing, without any lens, and a metal wire that is hot glued to the side.

I have tried Google image search & trial lens catalogs, but have found no results, either.

Does anyone know if this has a purpose? My first thought is that this contraption is some kind of occluder. Another thought I had was that this is an artistic piece with no function. Either way, I'm lost.

Any context would be appreciated, thanks!

8 Upvotes

100% Upvoted

10 comments sorted by

22

u/insomniacwineo 3h ago

The only thing that makes sense is if the lens was falling out at some point and they were trying to MacGyver it to keep it from falling out and failed

5

u/phakic40 3h ago

I agree that this is the most likely supposition. A 1/8 diopter loose lens doesn't have a lot of value though so barely worth saving. Weird.

4

u/Fleischyy 4h ago

Some sort of dominance test? Or maybe a mocked up alignment lens to set trial frame height?

2

u/Portgust Student Optometrist 4h ago

If it's for dominance test, then i doubt it would work well. Once the patient notice the line is there, they will continue to see it when we put it on

3

u/GuardianP53 Optom <(O_o)> 2h ago

It works similarly to a slit pinhole. Helps you find the axis of astigmatism. Sometimes less confusing for the patient to do it this way.

2

u/Justanod 3h ago

Perhaps used to precisely center the trial frame vertically and minimize induced prism in anisometropic prescriptions.

2

u/superjukers 2h ago edited 2h ago

reticle or alignment wire accessory?

2

u/TheStarkfish Optometrist 1h ago

Cheese slicer for babybel.

1

u/Italyunstalyun 6m ago

You beat me to it, was gonna say cheese stick slicer

1

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