Difference between revisions of Optics related math
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[[File:Math guy with glasses.gif|right]] | [[File:Math guy with glasses.gif|right]] | ||
Here's a page with maths related to diopters and glasses. | Here's a page with maths related to diopters and glasses. | ||
You don't really need to know any of this stuff to improve your eyesight, but it's good to know for deeper understanding {{smiley}} | |||
{{clear}} | {{clear}} | ||
==Diopters are inverse meters== | ==Diopters are inverse meters== |
Revision as of 17:27, 14 June 2020
Here's a page with maths related to diopters and glasses.
You don't really need to know any of this stuff to improve your eyesight, but it's good to know for deeper understanding
Diopters are inverse meters
Remember that 100cm = 1m.
conversely
Point of refraction
(meters)
(meters)
(meters)
(diopters)
Visual acuity equation
Note: 5Arcminutes = 20/20
Set up proportion:
Visual acuity (mm/metres)
Visual acuity (in/feet)
With text that we are familiar the brain may clear up that text more than our vision actually operates at.[1]
Average axial length accomodation/rate of change
If someone with typical eyes wanted to adapt say 20/20 to .25 less normalized within 3-4 months would need to decrease axial length 0.083mm about 0.92microns/day - 0.69microns/day average Credit: Mark Podowski
- ↑ The EndMyopia Blog, https://endmyopia.org/use-math-to-turn-any-text-into-your-own-impromptu-eyechart/