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  Discussion on Artificial light sensitivity
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Posted on Sunday, Dec 5, 1999 - 11:54 am:

Hello Dr. O,
Hope you have a nice break. I have read through the eye diseases section, but cannot really find an answer to what seems like an over-reaction to the electric lights being put on in and outside Bellini's stable. [Bellini is the rescued horse that used to bite.]

When I go out to do evening stables, and put the lights on, he blinks and blinks and blinks, turns his head away, is actually distressed for probably 5 minutes. After that, he's fine. The light is not excessive - the light bulb outside his stable, where he is looking, is a yellow fly-repelling light, 100watt, but really not that bright. The other lights are also 100watt, but all in bulkhead fittings.

I've never had this happen before, and wonder if it is a precursor of things to come. I do hope not! His eyes seem fine, no inflammation, no infection now, although he did have a mild eye infection when I brought him home, but nothing serious.

Your comments would be appreciated as always.

-Alexa-

Posted on Sunday, Dec 5, 1999 - 6:36 pm:

Well I can see the problem, I used to work in a photo lab and we had yellow fluro tubes, they had to take half of them out as yellow light is the most intense light.

But it also seems hard for the iris to adjust to it, don't know why but I used to suffer exactly the same thing in the lab.

A 100 watt yellow light is a very decptive and intense light.

Does he react that what to a standard 60 watt or 100 watt clear.

Obviously previous horses dont seem to have had a problem with this, so I can't say why it affects him more than others, but it would affect me.

Posted on Thursday, Dec 9, 1999 - 2:33 pm:

Hello All,
I agree with Darren, Bellini's reaction is about what I would expect going from the dark to the light so abruptly, it surprises the others don't have some adverse reaction. I would either decrease the wattage or turn on a light a distance from the horses for about 5 minutes to get them use to it. I even do this for my fish!
DrO
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