ctx and led-ips monitors - eyesight

dusters · Dec 17, 2014

Recently i got into a situation where my only available monitor is a really old (from 2003) CTX PR700F model 17" with a 85hz refresh rate.

The thing is working, it has 85hz, can support the resolutions i need and everything is fine.

However, i don't know the math behind eyesight between ctx, led, led-ips and lcd monitors.

And since i don't use glasses i'm fairly concerned with buying the best/most ergonomic monitor possible. I had LG lcds before and they were good, i think even after 12 hour gaming sessions my eyes didn't feel too tired.

Say - i work at PC for 8 hours a day. Which is the best for eyes?

Zelig · Dec 17, 2014

Can't math eyesight ergonomics very well, just use whatever looks/feels good.

Refresh rates between CRTs and LCDs can't really be compared, CRTs are essentially flickering at the speed of their refresh rate, LCDs are just showing the previous image until the next refresh.

I'd be more concerned about mouse/keyboard/chair/desk ergonomics.

Quintillus · Dec 21, 2014

With CRTs, a higher refresh rate generally leads to less eyestrain. 85 Hz is pretty good. Whether a good 85 Hz CRT will cause less eyestrain than a 60 Hz LCD, I'm not sure. In either case, considerations such as reflectiveness can have a significant effect on eyestrain or lack thereof, although this does vary considerably by person, as well as by environment. Brightness is also a significant factor - many monitors can become much more bright than is appropriate for artificially-illuminated rooms, such as rooms at night (even with lights on).

In short, I'd be more concerned about reflectiveness and excessive brightness than the fact that it's a CRT, particularly considering that it's 85 Hz and not a lowly-for-a-CRT 60 Hz.

Is CTX still an active company in Latvia? I had a 1995 CTX in the U.S. at one point, but I haven't heard of them in years. When I tried to look up that monitor online a few years back, I couldn't find anything about it.

dusters · Dec 21, 2014

Quintillus said:
With CRTs, a higher refresh rate generally leads to less eyestrain. 85 Hz is pretty good. Whether a good 85 Hz CRT will cause less eyestrain than a 60 Hz LCD, I'm not sure. In either case, considerations such as reflectiveness can have a significant effect on eyestrain or lack thereof, although this does vary considerably by person, as well as by environment. Brightness is also a significant factor - many monitors can become much more bright than is appropriate for artificially-illuminated rooms, such as rooms at night (even with lights on).

In short, I'd be more concerned about reflectiveness and excessive brightness than the fact that it's a CRT, particularly considering that it's 85 Hz and not a lowly-for-a-CRT 60 Hz.

Is CTX still an active company in Latvia? I had a 1995 CTX in the U.S. at one point, but I haven't heard of them in years. When I tried to look up that monitor online a few years back, I couldn't find anything about it.

They aren't active, but since i'm an (ex) PC tech girl, i keep heaps of old computer parts and even monitors, because i'm too fond of them to trash them.

(oldest i have is x286 i think)

Quintillus · Dec 22, 2014

Yeah, I have a lot of old equipment, too. The CTX was in too poor of shape picture-quality-wise to be worth keeping, but I do still have a NEC 2003 CRT. You've got me beat on the CPU front; the oldest I have is a 486, and the oldest in a working system a Pentium.

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