belugamon
New
Just learned my dive shop provides masks starting a 1.0 diopters; my one lense is prescribed at .75; is it unhealthy to go up from .75 to 1.0?
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belugamon:Just learned my dive shop provides masks starting a 1.0 diopters; my one lense is prescribed at .75; is it unhealthy to go up from .75 to 1.0?
Charlie99:Indeed, at 0.75 diopter you are borderline for whether or not you need a prescription mask.