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Search: Posts Made By: nonsense
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Forum: Medical & Health
13th Sep 2022, 17:01
Replies: 7
Views: 3,735
Posted By nonsense

So they're interested in the outcome, not the...

So they're interested in the outcome, not the power of lens required to achieve it. I must say as an engineer, this reassures me...
Forum: Medical & Health
10th Sep 2022, 13:09
Replies: 7
Views: 3,735
Posted By nonsense

Astigmatism has both an orientation in degrees...

Astigmatism has both an orientation in degrees and a power in dioptres. Asking how to convert degrees to dioptres is a bit like asking how to convert heading to airspeed.



Bear in mind I'm just...
Forum: Medical & Health
13th May 2019, 02:40
Replies: 7
Views: 3,735
Posted By nonsense

Astigmatism, and lenses to correct for it, is...

Astigmatism, and lenses to correct for it, is normally specified in terms of the lens cylindrical power in diopters to correct, and the orientation of the lens in degrees...
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