User:Kg6gfq
Glasses History
December 2008
Prescription
OD: -4 sphere
OS: -2 sphere
March 2010
Prescription
OD: -4.25 sphere
OS: -2 sphere, -.75 cylinder, axis 15
Note: Increase in cylinder correlates with when Darin started wearing a bike helmet mirror. Use of helmet mirror continues until present day [as of January 2022].
October 2013
Prescription Safety Glasses
OD: -4.25 sphere OS: -2 sphere, -.75 cylinder, axis 15
July 2018
Prescription
OD: -3.25 sphere, -.75 cylinder, axis 155
OS: -1.5 sphere, -1.5 cylinder, axis 33
July 2021
Prescription
OD: -3.25 sphere, -.75 cylinder, axis 142
OS: -1.75 sphere, -1.75 cylinder, axis 28 PD 59.5
October 2021
Differential (close-up)
OD: -1.5 sphere, -.75 cylinder, axis 142
OS: no sphere, -1.75 cylinder, axis 28 PD 59
- Note how weird these glasses are. These glasses are an edge case that isn't covered in the astigmatism guide.**
Future Glasses
Equalizing sphere
Normalized OD: -3 sphere, -.75 cylinder, axis 142 OS: -1.75 sphere, -1.75 cylinder, axis 28
Differential (close-up)
OD: -1.25 sphere, -.75 cylinder, axis 142
OS: no sphere, -1.75 cylinder, axis 28
Converting cylinder to sphere in the left eye
Normalized
OD: -3 sphere, -.75 cylinder, axis 142
OS: -2.25 sphere, -.75 cylinder, axis 28
Differential (close-up)
OD: -1.25 sphere, -.75 cylinder, axis 142
OS: -0.5 sphere, -.75 cylinder, axis 28