Newly diagnosed - question about eye sight

Hi all, I’m coming up to 1 week of being diagnosed with t1 diabetes and am starting to get my head around things, however I have a question about my eye sight.

Back story:
I have worn glasses since primary school and been wearing them or lenses permanently for 7 years. I had my eyes tested in January and needed stronger lenses, therefore got new glasses (not sure if this was the diabetes or not). A few weeks later I noticed that my new specs and lenses weren’t cutting the mustard and I couldn’t see anything; a result of the diabetes. Since being on insulin I have noticed a dramatic improvement in my eyesight and now my glasses are too strong but I still don’t have 20/20 vision. I have seen some posts of people saying similar things but that is doesn’t last. I am also aware that my eyesight is better when my blood sugar is lower.

Question: I am due to meet with my optician again in 3 weeks, will this eye test be reliable? I don’t want to shell out another £100+ on glasses for them to be wrong again.

TYIA

catapillar said:

Your blood sugar level really quite directly impact on your eye sight because the fluid in you eyes will also be more or less sugary depending on what your blood sugar level is. How thick (sugary) the fluid in the eyes is impact on the movement your eyes have to do to focus. You will have had high blood sugars for at least a few weeks pre diagnosis and your eyes will have got used to this. As blood sugars come back to normal your eyes are having to readjust to normal blood sugar levels. An eye test when you don't have stable, normal blood sugar isn't likely to be reliable. Whether you will have stable, normal blood sugar levels 4 weeks post diagnosis depends on how your insulin is being managed. Personally, I would consider giving it a little longer. Your eyes do need to get used to euglycaemia and learn to use that muscle memory of how to focus when euglycaemic.

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Thank you.