EyesightRx: Android App Update & Participants Free Download Option
[fusion_alert type="general" accent_color="" background_color="" border_size="1px" icon="" box_shadow="yes" animation_type="0" animation_direction="down" animation_speed="0.1" class="" id=""]UPDATE: Now online - EyesightRx, the new Android app, in Google Play.[/fusion_alert] My goal is to give you a tool that's always in your pocket, which allows you to measure your current centimeter distance and respective diopter correction. I want you to be able to do this without needing a ruler or any other objects besides your tablet or smartphone.This is a first draft effort, I expect that we'll have a few things to learn as you [...]
Myopia Ruler Now Available!
Finally, you can measure your eyesight without having to go out to buy a centimeter measuring tape and using the calculator tool. You still can of course, but now there is also my Myopia Ruler you can use:If your country uses the "letter" size for standard paper in your printer, rather than A4, head over to the new resources page for that option. This is just one more step in the evolution towards more tools, educational methods, and improvements to the experience of doing your [...]
Behind The Scenes: The Myopia Measurement Ruler
For every one single improvement it seems that we get an avalanche of challenges and unforeseen issues.Most recently, if you came to visit this weekend, you may have noticed some interestingly discouraging errors here on the site.All that stemmed from the code guys promising improved speed, support for the banner headings for pages, and a number of other improvements. Of course all of that was true, but it didn't quite happen as a smooth transition. Your supportive e-mails and suggestions did help quite a bit.Meanwhile there has [...]
Convert Glasses Prescription To Contacts (And Back): How To
● 2026 Update Skip the math — open the live converter. Before converting anything, read the paper itself: the free eye prescription calculator explains OD, OS, SPH, CYL and AXIS in plain words. Reading the numbers on your prescription is covered in one place: how to read an eye prescription. Enter your glasses or contacts numbers on a slider, or measure your eyes from scratch with the camera. Same conversion math, no spreadsheet. Open Contacts ↔ Glasses Translator → Contact lens ↔ glasses prescription conversion [...]
Active Focus: Prescribed -5.50, Can Read 20/20 with -4.00
The title of this post points to something interesting: If you can read 20/20 with a -4.00 prescription (after a month or two of basic efforts) why did the optometrist prescribe you a -5.50? Consider, that's almost a 30% higher prescription than this individual needed to see 20/20!It is an interesting thread on the subject of prescriptions and active focus in the support forum, created by Can (link below). Active Focus now has one page that gathers all of this in one place: what Active [...]
How To Get From -4.00 To 20/13 In One Year
Ruth Ann writes in the forum: It was one year ago that I signed up for the web program. My prescription last year as I began rehab was R -4.00 -0.75 x 120 and L -7.25 -0.25 x 105. I have the start of cataracts in both eyes, the left one being the worst. The cataract in my right eye doesn’t seem to affect my vision very much. My Snellen last year to begin was without glasses indoors in natural light, in the morning with [...]
