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Can a glasses prescription be the same as contact lens prescription?

28 replies

OriginofSpecies · 28/04/2019 19:33

I'm very confused!

I went to a new optician recently to have a normal sight test and a contact lens aftercare appointment. I have worn contact lenses for several years + glasses (latest pair are a few years old now).

When I left the opticians, I realised that I had only been given one prescription. This matched the strength of the contact lenses which I wear.

It is my understanding that a glasses prescription is different to a contact lens prescription, to account for the distance that glasses are worn from the eyes.

However, when I popped back to the optician and explained that I had what I thought was my contact lens prescription, but not the glasses one, I was given a new prescription which matches the first one! I did say as he was writing it out that it's the same (wondering if he was writing out the one I already had again), but he just commented they are different because of the distance from the eyes for glasses!??

So now I'm really confused. Was I only given one prescription originally because my glasses and contact lens prescriptions are the same?? Or have I been given two copies of my contact lens prescription and need to go back again??

For info, my prescription is -2.5 in one eye and -1.5 in the other.

OP posts:
imsorryiasked · 29/04/2019 13:34

Yes you need to specifically request a sight test for lenses (but as PP said this can usually be done at the same time as the glasses one, they just take different measurements)

ExpletiveDelighted · 29/04/2019 13:44

When I used to wear rigid gas permeable lenses you couldn't wear your lenses before your sight test as they altered the shape of the corneas which took a few hours to adjust back. The problem for me with this was that the most likely time for me to wear glasses is in the evening straight after taking my lenses out, so when I got glasses based on a sight test with no lenses worn that day it didn't work for me (however they were fine if I wore them first thing in the morning).

I switched to soft lenses in the end and it isn't a problem at all, I just get my sight test and contact lens check done one after the other now.

WeirdPatient · 29/04/2019 13:46

I have gas permeable lenses. Seems that changes the situation. Sorry!

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