Varying Eyesight?

[wpcoe]

For as long as I can remember, meaning about 40 years, my eyesight varies throughout the day. Sometimes I wake up with perfect 20/20 vision, able to see both near and far. Usually I wake-up nearsighted, although in varying degrees. Regardless how my vision is when I wake up, it almost always changes throughout the day.

That said, the most common state of vision is that I am near-sighted. I'd say about 75% of my waking hours I don't need reading glasses. I remember one time in the 1980's I made a quick side-trip (from Japan) to Hong Kong to get glasses because they were so much cheaper there. Wouldn't you know that the entire 36 hours I was there, my vision was 100% perfect?

I had radial keratotomy (RK) surgery in the mid-1980's and had mentioned this to my eye doctor at the time. I can't recall the details of his explanation, I simply recall now that he told me not to worry about it. Prior to the RK surgery, I would rarely have perfect far vision, but would experience a range of "woresness" of my far vision. Since the RK surgery, I almost daily run the gamut from perfect near vision (but blurred far vision) to perfect far vision (but blurred near vision) to perfect near AND far vision.

So, I'm curious: Do any of you experience this? If so, have you found any underlying reason for the variation?

[moldy]

For as long as I can remember, meaning about 40 years, my eyesight varies throughout the day. Sometimes I wake up with perfect 20/20 vision, able to see both near and far. Usually I wake-up nearsighted, although in varying degrees. Regardless how my vision is when I wake up, it almost always changes throughout the day.

That said, the most common state of vision is that I am near-sighted. I'd say about 75% of my waking hours I don't need reading glasses. I remember one time in the 1980's I made a quick side-trip (from Japan) to Hong Kong to get glasses because they were so much cheaper there. Wouldn't you know that the entire 36 hours I was there, my vision was 100% perfect?

I had radial keratotomy (RK) surgery in the mid-1980's and had mentioned this to my eye doctor at the time. I can't recall the details of his explanation, I simply recall now that he told me not to worry about it. Prior to the RK surgery, I would rarely have perfect far vision, but would experience a range of "woresness" of my far vision. Since the RK surgery, I almost daily run the gamut from perfect near vision (but blurred far vision) to perfect far vision (but blurred near vision) to perfect near AND far vision.

So, I'm curious: Do any of you experience this? If so, have you found any underlying reason for the variation?

A very interesting tale and I'd hazard a guess that your doctor was right in telling you not to worry. I'd have an eye test though -you can't be too careful where eyes are concerned. If you are in Bangkok, then I can personally recommend Rama 9 ( who gave me very good service) and I understand Rutnin in Asoke is a specialist eye centre.

Could just be that the muscles in your eye are just a bit spasmodic.

[uaflyer]

I had RK over 20 years ago outside San Francisco.

Today my eyesight is 20/40 Left, 20/30 right. I have no blur issues, no rainbows over lights at night.

I feel fortunate there was not greater change or issue.

I am looking into correcting it further again, but it may not be possible.

This for purposes of an FAA physical.

I have no difficulties reading traffic signs.

Planning to visit some specialists in Bangkok next week.

The blurred vision (near vision) in the morning is normal, (for anyone, esp over 40 y/o)) drink water (not coffee) and you may find it equalizes.

This is because the eye is mostly water and overnight your body loses water.

I am no doctor, just guessing based on many I have spoken to.

[Tywais]

Nuisance Risks

"Most of the other risks associated with PRK, LASEK and Epi-LASIK surgery don’t usually cause a significant loss of vision. Rather, they can cause nuisance problems with the eyes that may not have been present before the surgery.

Fluctuation of vision: Some individuals experience sharper vision at various parts of the day after RK surgery. This is related to swelling of the cornea that occurs overnight, then progressively resolves as the day goes on. In most cases, the degree of fluctuation is mild and mostly only a nuisance."

Source - RK

Another possibility may be "floaters" that move around to different locations changing your focus.

//edit - just noticed the topic is 2 years old. Hope the OP has it worked out by now.

[wpcoe]

//edit - just noticed the topic is 2 years old. Hope the OP has it worked out by now.

I'll use that comment to segue back into this thread. :-)

As mentioned, I've worn glasses for near-sightedness since I was a little kid, and then 25 years ago (plus or minus) had RK surgery and have had variable vision since then.

Now, in a stunning turn of events, I was in an industrial accident last November and smacked the back of my head on the edge of a stainless steel counter. Ever since then my vision has stabilized so that I consistently have good far vision, though still need reading glasses (as I have for the past 10 years or so) for really small print when reading.

Oh, and if I get really, really, really tired, my far vision deteriorates. But, after a good night's sleep it "resets" and I'm back to good far vision.

Go figure!

[Crossy]

That's great news WP (every cloud blah blah)

I would not recommend this 'treatment', however I do know a few people who would be willing to administer it