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Tri-focals


Dafey

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Dafey

I wear tri-focal glasses.......,<pause while you finish laughing>

 

I've been told a couple of times that I can only get bi-focals in the Phils. 

 

Does anyone have a source for tri-focals?

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I know that you can get progressive lenses

 

A progressive lens is an amazing piece of engineering, allowing multiple vision fields to be incorporated into a single lens without any clear distinction between the fields themselves. The power in the lenses "progressively" changes from far-to intermediate to your full reading power.

 

I have asked about them here

 

just go to any of the malls  (sm seaside sm city) and ask at any of the optician shop

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sugbu777

Progressive lenses can take some getting used to. I was never able to adjust to them and went back to lined bi-focals. I would never say that progressives are bad. Lots of folks really like them. I just couldn't adjust.

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Richard K

I had a heavy equipt. operator on my job site that came in one day with new tri-focal progressive lenses... we gave him plenty of room for a while until he got used to them...:D

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Dafey

I've had progressives and they are really cool but...I found that I had to turn my head instead of my eyes to focus on some things not close. For instance, to look at my feet I would need to drop my chin to my chest. Worse, when driving I could not glance left with my eyes for traffic or mirror but needed to completely turn my head to see out of the center point of the glasses.

 

(whats a guy this blind doing driving? topic for another thread...)

 

I may have to settle for progressives but much prefer trifocals. I'd take quadfocals if they made them!  :crazy:

Edited by Dafey
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I may have to settle for progressives but much prefer trifocals.

 

I am going to sm seaside later today, I will ask about trifocals

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Dafey

Thanks Wolfman...SM City is our local mall and I have not found them there...But I would definitely make the trip if they have them. Heck...I'd go to Manila if I could get them there!!!

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I've had progressives and they are really cool but...I found that I had to turn my head instead of my eyes to focus on some things not close. For instance, to look at my feet I would need to drop my chin to my chest. Worse, when driving I could not glance left with my eyes for traffic or mirror but needed to completely turn my head to see out of the center point of the glasses.

 

(whats a guy this blind doing driving? topic for another thread...)

 

I may have to settle for progressives but much prefer trifocals. I'd take quadfocals if they made them!  :crazy:

 

I got a pair of progressives about 3 years ago.  First pair of glasses for me, definitely took some getting used to.  About a year later I started having a good deal of pain in my neck and upper back, I thought it was a sports related injury although I couldn't recall any specific traumatic event.  It turned out that I had  a couple of herniated discs.  

 

I went to a number of different doctors, physical therapist, acupuncturist, witch doctors, etc.  Finally, when I was being examined by a spinal specialist of some sort we had a long chat.  He didn't think the problem was caused by a traumatic incident, so he started asking me a series of questions about posture, work habits, etc.  As soon as I mentioned the glasses with progressive lenses his eyes lit up.  Turns out that in trying to adjust to the lenses, and as Dafey mentioned, not being able to do that by simply move my eyes, my posture had gotten bad enough to herniate a couple of disc over time.  And the diagnosis was solid - recovered completely once I knew to stay focused on good posture.  Hah.

 

Haven't worn the glasses in about 6-months, need to get new ones, but might skip the progressives this time. ;-)

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SkyMan

 

 

when driving I could not glance left with my eyes for traffic or mirror but needed to completely turn my head to see out of the center point of the glasses.
What are you looking for?  Are you trying to go all "I know how to drive the right way." on us here?  This is the Philippines!!
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I went to one shop and asked

 

me: there is bifocal and progressive ?

her: yes

me: how about trifocal?

her: that is progressive

me: huuh

her: yes trifocal is progressive

me: well ok  hmm but progressive have a narrow horizontal viewing area

her: there are different kind of progressive some of them have a wide viewing area

me: aaha  ok

 

that is about it

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Dafey

Thanks Woolf

 

Pretty much the same routine when I've asked before. Progressives actually have about 8 progressive lenses that as you tilt your head up and down you find the correct  lens for the distance you are looking. They have even greater magnification for small work that I can hold very close to my nose.

 

At the same time they have a slight fisheye affect. I may have to try the "wide Viewing" are they talked of.

 

Funny that when I show them my glasses they shy away as if its an evil technology

 

Thanks again for looking

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RogerDat

 

 

I've had progressives and they are really cool but...I found that I had to turn my head instead of my eyes to focus on some things not close. For instance, to look at my feet I would need to drop my chin to my chest. Worse, when driving I could not glance left with my eyes for traffic or mirror but needed to completely turn my head to see out of the center point of the glasses.

This is exactly what happened with me. I had tri focal from US upper for long distance middle for computer screen, and lower for reading.

 

I now have bi focal, and have gotten used to them somewhat, but as i age the sight is going away, if you find any let me know.

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dnl_grout

Not to change the subject

 

With respect to your life as a camera guy

 

What happens when you look in an SLR eye piece with those Progressive things...fish eye? 

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Dafey

Not to change the subject

 

With respect to your life as a camera guy

 

What happens when you look in an SLR eye piece with those Progressive things...fish eye?

 

Your SLR should have a diopter. This is an adjuster for your vision and is usually a slide or a small wheel located next to the viewfinder. You can adjust it for your naked eye or for whatever prescription you are wearing. With progressives you would still be looking through only one level of magnification and could adjust to that. So in this case progressives would be a bonus.

 

Personally I shoot with my naked eye and adjust the diopter for that. When I need to look at the LCD screen I usually have my glasses on my head or nearby....sucks get4ing old!

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I got the progressive type in China about two years ago, found then awful, really didn't feel safe driving with them and hated the fish eye look when reading a computer screen, ended up binning them and getting some bifocals from Ayala, they were great, replaced them a year later with the same type again, but polarized to the darkest they can get, still using today, but looking for a new pair this coming Feb. Eyes weaker now especially for reading.

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