Also found in: Dictionary, Thesaurus, Legal, Acronyms, Idioms, Encyclopedia, Wikipedia.


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.

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 ?
This month she is busy with the Taylor season, lighting more than 10 dances for the 16-day ran.
Howard Mastropiero, business development manager, Solid State Lighting, Philips Lighting will present a brief history of LED's and where the industry is headed in the future.
The researchers argue that if the findings are confirmed, lighting with a strong blue component might improve safety or performance among people who need to maintain sustained vigilance--from long-distance drivers to air-traffic controllers and airport-security inspectors.
The challenge with landscape lighting is that most people don't immediately see all the possibilities.
Proper lighting doesn't concern only residents, does it?
Rizzo was the lighting consultant for a 4,000-square-foot energy-efficient demonstration home in Saratoga Springs, New York.
Cyberlux Corporation (OTC Bulletin Board: CYBL) has created breakthrough LED lighting technology that provides the most energy efficient and cost effective lighting solutions available today for consumer, commercial and military uses.
has teamed with GE Lighting Systems to offer one such system.
Focal light or task lighting is a concentrated source of light with greater intensity than the background, bringing light to where the work is being done to improve visibility, such as fixtures or lamps placed over or near work areas - the kitchen sink, a desk or reading chair.
The selection of a partner for your lighting needs can not only make a difference in your facility's appearance, but also in your operating costs.
Wasted energy from inefficient lighting costs us between $1 and $2 billion a year, according to IDA.
The writer also describes Fuller's patented scheme for lighting the stage during a dance from points above, below, and all around the dancer: