NHS Low Calorie Diet - Type 2 Remission Programme - Oviva (aka Newcastle)

High blood sugar over a period of time can lead to glaucoma,

Yes and cause bleeds on the back of the eye (retinopathy)

But there can be short-term / transient ‘focal length’ changes too.

I’ve had blurry vision as a symptom of short periods of high BG in the ‘bad old days’ which resolved when my levels came back into range. So some eye changes can be short term and temporary.
 
Yes and cause bleeds on the back of the eye (retinopathy)

But there can be short-term / transient ‘focal length’ changes too.

I’ve had blurry vision as a symptom of short periods of high BG in the ‘bad old days’ which resolved when my levels came back into range. So some eye changes can be short term and temporary.
Yes, the swelling of the lens due to high blood sugar changes the focal length.
There’s also a high risk of cataracts as well.
My eye sight went blurry shortly before I was diagnosed. ITV returned back to normal after two weeks of low carb.
 
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