lighting

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lighting,

n the arrangement of a light source to create a certain effect. The lighting of a dental operatory is done to achieve a sufficient level of lighting to reduce eye strain in shifting from one field of vision to another and to achieve a light intensity across the spectrum to mimic natural light.

Patient discussion about lighting

Q. Is it true that is places with less sun light people tend to be more depressed?

A. that is correct- a good friend of mine moved to north Alaska about 3-4 years ago. in the winter they hardly have sun. then some of the people get depressed. the treatment is pretty funny- they have to move around with a hat with an illumination system shining over their eyes. they think that the lack of sun light causes a lack of certain chemicals in the brain.

Q. My husband has psoriasis and the dermatologist suggested that he try the uv light treatment.Anyone try it. some of the side effects may be skin cancer and melanoma's. If so can you please let me know if it actually did help or if not. Thanks a million.

A. uv light treatment procedure is relatively new mod of treatment so here is difficult to build an opinion about it.
Actually there are two main type of treatment relating uv light are in use one is uvb treatment and other one is PUVA (uva light based).
As uvb is the most prominent factor for skin cancer so this treatment is more risky. While PUVA is quite effective treatment and has less side effects.
http://www.vitiligoguide.com/psoriasis/

Q. I had cataract surgery with iol implant, and ever since I have awful light sensitivity. Any ideas? I can't go into a "super store" without my sunglasses. My eyes ache at the end of the day. My doctor says "I don't know!"

A. May sound a bit silly question, but have you tried to consult your ophthalmologist (eye doctor, e.g. the one that performed the operation) about it? Cataract surgery, although considered very successful, isn't problem-free. Primary physician may not have the necessary specialization to deal with these subjects.

More discussions about lighting
References in periodicals archive ?
The reVend[R] reverse vending machines accept all domestic light Bulbs, including incandescent ones, CFLs, LEDs as well as any domestic batteries which contain valuable and scarce natural mineral resources or harmful materials such as lead and mercury.
While small LEDs were being sold for use in electronics as far back as the early 1960s, the technology to deploy them in household light bulbs was still fairly far off when Congress passed the EISA in 2007.
There's still a demand for the old light bulbs but the eco-halogen bulbs are quite a good compromise.
Jury member Will Self added: "I don't think any of the judges feel this is the dernier cri in terms of what will be done with the low-energy light bulb, but if you'll forgive the pun - they are definitely a light leading the way.
Barton adds that the move toward fluorescent light bulbs dramatically impacts the low-income consumer, who "can't afford $4 or $5 for a light bulb.
The question I have is whether energy-saving light bulbs are doing what it says on the tin or whether I've just got a duff lot?
And what happened next was that every time we needed a light bulb changed at the Gateshead restaurant we had to call an electrician from Birmingham.
The Energy Saving Trust advised more than 1,000 shoppers at St David's Centre in Cardiff on their lighting needs, and of those surveyed more than 60%thought that the energy-saving light bulb was brighter than the traditional one.
TC Orient") entered into a preliminary exclusive distributorship agreement with a major lighting system wholesaler and distributor, Nicenough (China) Limited ("Nicenough") to distribute its 3gLED light bulbs in Hong Kong.
They will be stationed on the ground floor of Manar Mall by the main entrance and everyone is welcome to visit the stand and receive a free energy-saving light bulb.
A GIANT light bulb road show will visit three Liverpool Gala Bingo clubs today to promote the giveaway of three million energy-saving light bulbs by Gala Bingo and Southern Electric.
ENERGY SAVING LIGHT BULB is the bulb with the right shape, right size and right fit.