Questions & Answers. You have questions. And Jake has answers, especially if they haven’t been covered in one of the other sections of the blog / free guides.
Many of the topics here originate from your e-mails, or from Quora, or threads in our Facebook group, or even YouTube comments on occasion. Natural myopia control is a wide ranging and complex subject, and this might be the section to find answers to some of your questions. Browse and discover!
How To Convert Your Contact Lens Prescription To Glasses Prescription
● 2026 Update Skip the math — open the live converter. 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 → Need to convert your contact lens prescription to glasses? It's very simple to do. First note that below -3.50 diopters you don't need to make any changes to the diopters between glasses and contact lenses. Although the net clarity from [...]
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). It is a fairly common scenario, one that most new participants will [...]
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 [...]
How To Stop Your Tablet From Significantly Increasing Myopia
Especially in the child myopia section of the blog, I talk quite a bit about the absolute importance to control the distance. Close-up is where myopia first starts, and this is where you have to head things off, if you don't want your child to become myopic. Likewise, when you are rehabilitating your vision, you want to be conscious of that minimum distance for yourself. You already know that I'm suggesting against using smartphones extensively, when possible. But what about [...]
Differential Glasses Prescription vs. Normalized Glasses Prescription
In the forum we talk a whole lot about individual prescription recommendations. It tends to take at least one round of reductions of experience to get a good understanding on what makes a viable prescription. As much as I can I provide help and pointers, to also serve as a basis for ideas for readers of the site and forum. You may notice that I'm more flexible on the normalized prescription than the differential. Here is why: The Differential Glasses [...]
Neck Pain, Migraines, Computer Work, and Close-Up Vision
There is a significant long term cost to the type of symptom-only treatment of many aspects of Western medicine. Just today I spent some time making it through a client e-mail, which included a laundry list of secondary symptoms that took several pages to describe. If you imagine your myopia as a knot in the string of your health, you are working on untying that knot through rehab. Sometimes, when other aspects of health are ignored, and there is a [...]