Book excerpt: EYE VISION LOGBOOK Track and record your visual acuity daily visual acuity tracker notebook to check if your myopia, hyperopia or astigmatism is worsening, stable or becoming better. Perfect to use for individual's who are monitoring and tracking their visual acuity as this has pages to plot your diopter JUST like in a graph, pages to write down your own diopter reading, Snellen chart reading, and cylinder reading. It also has pages to write and log down the measurements made by your own optometrist. If you are performing your own eye test at home and doing different eye activities that may help to restore or improve your vision just like Bate's Method, endmyopia,etc., then this log book is for you as you can track and record your progress. This eye vision log book has spaces for you to write down notes and the activities you've done in a day, thus allowing you to be able to assess and understand your journey in reversing your vision. And guess what ?! You can also use the Snellen chart at the front cover or back cover to measure your eyes. You just need to stand 2.8 or 3 meters (9 or 10ft) away from the book to check your visual acuity. (Disclaimer: For professional measurement please have your eyes check with an optometrist or ophthalmologist for accuracy. Product Description: Perfectly sized at 8.5 x 11 Uniquely designed SOFT GLOSSY COVER