> Yes, I am a doctor. As far as I remember, I studied medicine and graduated. Well, that's settled, then. ;) > I understand the process of accommodation. This

> Yes, I am a doctor. As far as I remember, I studied medicine and graduated. Well, that's settled, then. ;) > I understand the process of accommodation. This poses the risk of e.g. over-correcting short-sightedness if you're not aware of it because, with each lens of increasing strength, you accommodate and think "geez, everything just got sharper.. again!". I was aware of this and, as you can find in my article, actually ended up using very similar values for dioptries (the spheres) as the opticians. So either all of us totally forgot about accommodation or all of us were aware of it :) Well, minus does like more minus. (Ask your new optician friends). > My values mainly differed regarding to astigmatism, and accommodation doesn't play a significant role there. No, but squinting, even a small amount, does. If your axis favors it. > I am also aware of the bone behind my ears, thanks for reminding me :) You're welcome. > While you do learn a lot of stuff in med school, learning how to bend those things of glasses which go behind your ears is not part of that. I suppose that's not a skill which can be taught well, anyway - it's more like craftsmanship, getting it right by having done it lots of times. Indeed. That's why there are professionals who do it. If you are still going to do it at home and you have a plastic frame, heat the ends up slightly. You can microwave a damp rag and wrap it around the ends for a moment. Or use a hair dryer carefully. At the optician's office, they have a hot air blower that does it. Used to be they had glass beads, but those got in between lenses and caused no end to trouble. If you bend cold tips, they can more easily break. I apologize for questioning your credentials. I guess I was a bit harsh. I just feel the article came off mostly of a slight arrogance with only a smattering of humility. You seemed to think that you could make up for years of working in the industry with only a few days of playing around. That being said, congratulations on being mostly successful. However, I am sure I don't have to tell you that an eye exam is only partially to refract you. There are other health issues that can be detected by having a routine eye exam.