Category: astigmatism

Devices and Vision – Two Perspectives

https://wordpress.org/support/update-php/ Optometry Times posted the following article as part of the Back-to-School Vision Awareness blitz that occurs every August 23, 2022. Like the pervasive use of the tired ‘20-20-20 Rule‘ to alleviate visual strain, the VisionMechanic took umbrage to the…

What can we do about child vision?

Every week brings in new children to my clinic; children who have hit a dead end with family doctors and paediatricians, as well as with the schools. I run a child vision development clinic, and we see children with apparent…

Astigmatism – A Primer

Astigmatism – A silent and invisible thief. No one should expect parents to understand how vision works, let alone how this might affect their children – even though they might observe very clearly the effects of significant visual impediments. Astigmatism,…

Environmental Causes of Astigmatism

A collection of readings re: the effects of posture on astigmatism. http://www.oepf.org/sites/default/files/Symphony%20Article_1.pdf Forrest-a new model of functional astigmatism Forrest-Astig as fx of visual scan, head scan, posture Forrest-eye scan therapy for astigmatism The_Effect_of_Accommodation_on_Ocular_Shape-Mutti  

Hyperopia as Physical Disability Part 2

In the recent post, I focused on hyperopia as a physical disability. This notion, that non-blinding vision dysfunction is a disability will be a new idea to many readers. There are many reasons for this and these are worthy of…

Iseikonic Lenses

Iseikonia (eye-suh-koh-nee-ah) is a state where the left and right eyes produce equally sized images on the retina. Aniseikonia, then, is a condition where, for whatever reason, the retinas are shown imagery of distinctly different size. Aniseikonia results from a…

VT Tip: Cylinder and Reading

Cylinder (astigmatism) >1.00 diopter, especially oblique, degrades reading performance. Amounts >2.00 diopters induce ‘lazy eye’ and cause sometimes severe medical and pseudo-psychiatric disorders. The ciliary body doesn’t care about spherical equivalent. (you can quote me on that) Now that’s something…

What All Parents Need To Know About Vision

Strong Vision Is Critical For Success In School And For Full Child Development In Alberta, vision assessment in children is considered optional and this leads to some serious concerns when children who need the help don’t get it. Slowly but…