Blended Lenses - Why???-Page 2: Off-topic discussion forum: Grassroots Motorsports Magazine

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Oct. 10, 2011 4:33 p.m. Jim Pettengill HalfDork

I've been wearing regular bifocals for around 10 years now, they work well for me except for middle-close distance, like 3 - 6 feet. Bugged the crap out of me for playing music - then I got a cheap set of single visions that focus very well at about 4 feet so they are sharp from maybe 2 - 6, and they are great for both reading music and for computer work. Because I didn't need fancy anti-scratch, UV, photogrey, etc, and used a pair of old frames, they were really cheap. A great solution for me.

Most interesting setup my opthamologist told me about was a mechanic who had a set of work bifocals made with the near lenses on top - he was always looking up at cars on a lift, and looking lower for stuff on the other side of the shop, so this "upside down" set worked great for him.

Creative solutions exist.
Oct. 10, 2011 6:54 p.m. wbjones SuperDork

a lot of carpenters wear those

some even have the half moon uppers and lowers... makes hitting the nail much easier
Oct. 11, 2011 11:04 a.m. bravenrace SuperDork

In reply to Jim Pettengill:

I have a pair with a milder magnification that I wear for working under a lift. The whole lense is magnified, but its mild enough that I can look through them and still see around the shop. Normal bifocals definitely don't work under a lift!
Oct. 11, 2011 12:26 p.m. Basil Exposition Reader

Basil Exposition wrote:

I just went through this getting a new prescription. I ended up with two pairs of glasses. A distance set fo driving and TV watching and what they called a "business progressive" for wearing at the office for computer work, reading, and working in meetings (up to about 7 feet, I'm told).

One of the reasons I did this is because the optician said that the more I tried to stuff into one pair the more compromises would be made. She showed me the "keyhole" of correction and how much narrower it would be if you tried to put long-mid-close ranges in one pair of glasses. You also have to get bigger glasses for more ranges.

Changing glasses will be a pain, but since I use the distance in limited circumstances I don't think it will be too bad.

I haven't picked them up, yet, but I'll let you know how it goes.

OK, got them today. Very disappointed in the "business progressives." They don't appear to be much better than reading glasses, though I don't have any to directly compare them with. The progressives don't give enough distance to make them worthwhile for anything but reading.

Plus it seems that the left lens prescription is wrong and it is berkeleying up my day.

The distance glasses, however, are great and seem to work for mid and long distances fine.
Nov. 8, 2011 7:47 p.m. Severus None

Have been wearing progressive glasses for 2 years and really love them. When I tried progressive glasses at the first time, the customer service staff from Zenni Optical told me that it usually takes about one week to adjust to the progressive lenses for the new users. Luckily my eyes adapted to them quickly. BTW, the free-form progressive lenses are more comfortable than normal ones.