The question of low myopia and high astigmatism has come up multiple times in the BackTo20/20 support forum, this week.
Low myopia, as in 1-2 diopters.
High astigmatism, as in at least 2 diopters, likely even close […]
Are your contact lenses and glasses the same exact (relative) correction? They better be!
Focal planes are the key to all things myopia. Your eye being a dynamic system, constantly adjusting to seek ideal eyesight, uses […]
This Q&A, applicable if you have spherical correction at or below cylinder correction (high cyl to spherical ratio).
A repost here from two BackTo20/20 support forum threads. While I only provide case specific support in the […]
Pro topic. Don’t go monkeying around with diopters until you really know what you’re doing. Messing around with diopter ratio, making focal plane changes, all creates a series of interactions with your visual cortex. If […]
Q&A for those with low myopia and advanced level endmyopia students.
There’s a brilliant thread in the support forum right now (many brilliant threads, but this one really gets me).
If you’re in BackTo20/20, or even if […]
Pro topic, Holmes. Don’t monkey with diopter unless you know how all the pieces work together.
If you do, here are some worthwhile posts on equalizing / patching:
Diopter Ratio: The percentage difference between your left and right eye spherical diopter values. People sometimes refer to it as weak eye and strong eye, although I prefer not to use those terms – it […]