[CQ-Contest] Contesting/Computer glasses?

[Barry W2UP]

Assuming you don't have significant astigmatism (cylinder) and the sphere
is about the same in both eyes, you should be able to pick them up at a
drug store.

Focal length (cm.) = 1/lens power (diopters).

Examples:
If you are 20/20 without glasses, +1.25 readers should work.
If your distance Rx is +2.00, then get +3.25
If your distance Rx is -1.25, then you don't need any.  Etc.

Barry W2UP, MD (retired ophthalmologist)

On Thu, Feb 17, 2022 at 11:05 PM Gary K9GS <k9gs at gjschwartz.com> wrote:

> I remember several years ago that there was an online source for computer
> glasses for contesting.  The ones that focus a couple feet out as opposed
> to readers.I tried searching the archives but couldn't find the company.Any
> help?73,Gary K9GS
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