I do a fair amount of Fresnel press on prisms for patients newly experiencing diplopia to trial prism correction. I have such a hard time getting them to look completely clear with no bubbles. I follow the 3M instructions and make sure the lens is pristine. I put a little water on the lens and spend ages smoothing it out. It's never quite perfect. You know how screen protectors for phones sometimes come with a little thing that you use to smooth them out? There needs to be a curved thingy like that for fresnels.
How do you guys do it?
How do you guys do it?
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