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Articles, tagged with "refraction"

Unflappable and Focused

12th September 2009
A management Guru described to me the qualities of a Level 5 Leaders. He said a Leader should be: 1. Unflappable and 2. stay focused. I realised that while I stay focused, I do flap. What is Flapping or rather what is unflappabili... Read >

Astigmatism and Astigmatism Treatments - General Eye Care Information

10th September 2009
Eye care is an important part of our overall health treatments today. If you don’t take good care of your vision now, it is only going to continue to degenerate over the years to come. Eye doctors have come to this realization as well as patients, thus ... Read >
Author: Daniel Berry

Concentrating Solar Power Collectors

20th August 2009
Concentrating solar collectors are used when higher temperatures are required. Solar energy falling on a large reflective surface is reflected onto a smaller area before it is converted into heat. Mostly concentrating collector can only concentrate the pa... Read >
Author: timkola

Cubic Zirconia Wedding Rings - The Perfect Substitute for Diamond Enagement Rings

20th August 2009
Cubic zirconia wedding rings are elegant substitutes for diamond rings but at a fraction of the cost of natural diamonds. They are very popular for their capability to stand in for the diamond under even the nearest inspection, good for those budget-cons... Read >
Author: Kayla Alyssa

Oakley Sunglasses sales: Juliet and M Frames

11th July 2009
A lot of women's and men's sports-related products, such as luggage, apparel, and shoes, display the Oakley label. Duplicates of Oakleys are purchased in bulk amounts and then distributed to wholesalers in the market. Sales of original Oakley product will... Read >
Author: Pablo Patel

An Explanation of Performed Eye Tests

05th July 2009
Many people correlate a ‘healthy’ lifestyle with measures such as exercising, taking vitamins, eating healthily, and refraining from smoking. However, ensuring your health is fully in shape takes even more. Sometimes, it’s necessary to consult a hea... Read >
Author: Daniel Collins

Online glasses shops have widened the option

27th June 2009
If someone is thinking that options in eyeglasses are limited to the inventory of optometrist or dispensary then it is not true. Now, online glasses shop has widened the options. Just make sure you are familiar with what frame shapes and colors look good ... Read >
Author: bestpriceglass

Complete Diamond Guide for Your Engagement Ring

12th June 2009
The whole year you have been buying gifts for your woman on every occasion. But now it’s time to surmount with something really grand- the Engagement Ring. So get set going to edify yourself on diamond rings and try to know diamonds like a book from tod... Read >
Author: Sharon Reid

Price Factors for Vision Correction

18th May 2009
A brief review of how normal eye-care prices are made can help in choosing sources. REFRACTION The starting point, for someone aware of focus problems, is the exam. The easy part is the refraction, which is the test for focusing. If the eye is shor... Read >
Author: Dr. Don Miller

Blue Xenon Bulbs: A Guide to Upgrading your Headlight Bulbs

27th April 2009
We have all been there, driving along the motorway at night when suddenly you see a vehicle approaching in your rear view mirror with intensely blue xenon headlights that seem to stand out from all the other cars around you. Once the vehicle has passed y... Read >
Author: Jo Alexander

Corrective Contact Lenses by Austin County Eye Care

08th April 2009
A contact lens, also known as a contact, is a corrective, cosmetic or therapeutic lens which is normally placed on the cornea of the eye. Contact lenses normally serve the same purpose as eyeglasses, that is, to correct the vision. However, contact lenses... Read >
Author: Mel Joelle

Hear the Sound Again With Zounds Hearing Aids

09th March 2009
The power to hear various sounds is one of the greatest gifts God has given to us. Out of the five senses we have, the hearing capacity is the one which makes us admire all that surrounds us – the chirping of birds, the laugh of our children, the sound ... Read >
Author: Justin Kroop

Moissanite engagement rings are perfect alternate to diamond rings

03rd March 2009
No need to worry if you can not find a diamond due to its expensive costs. Know that Moissanite engagement rings too are sought after by the couples. The gemstone looks similar to diamond and the costs are way lower. A misconception about Moissanite... Read >
Author: Glimmerrocks

Diamonds of Brillance

02nd March 2009
When thinking of the diamond, an image of a sparkling precious stone comes to mind. Although it is clear, a ray of rainbow-colored light can strike your eyes when light hits upon the diamond. These qualities of a diamond all depend on one essential ... Read >
Author: Paul Easton

Diamonds of Brillance

02nd March 2009
When thinking of the diamond, an image of a sparkling precious stone comes to mind. Although it is clear, a ray of rainbow-colored light can strike your eyes when light hits upon the diamond. These qualities of a diamond all depend on one essential ... Read >
Author: Paul Easton

Barcode 101

17th January 2009
Barcode is an optical machine readable format that provides business with the advantage of encoding textual information into a label for farther reading by means of an electronic barcode scanner that translates the information fast and accurately at a ver... Read >
Author: Brian

Book Review, “Churchill and America" by Martin Gilbert

05th January 2009
The prolific and exceptional historian and Churchill biographer Martin Gilbert has produced another interesting volume for the expanding library of Churchilliana. Gilbert’s look at the complex (and hardly submissive) relationship between Churchill and A... Read >
Author: craigread01@gmail.com

Improve Your Vision Successfully With LASIK Surgery

05th January 2009
Laser in-situ keratomileusis, or LASIK, is a successful surgical treatment that corrects vision in people who suffer from vision defects. This surgical procedure reshapes the cornea or the clear front part of the eye, enabling the light that travels throu... Read >
Author: Beth

Diamonds of Brillance - Sparkle and fire

15th December 2008
When thinking of the diamond, an image of a sparkling precious stone comes to mind. Although it is clear, a ray of rainbow-colored light can strike your eyes when light hits upon the stone. These qualities of a diamond all depend on one essential char... Read >
Author: Paul Easton

What is Astigmatism?

03rd September 2008
Astigmatism is a condition where the cornea has an irregular shape that causes problems with vision. The cornea, the clear covering of the lens and iris, serves as a protection to the eye and helps transmit light thru the eye. The cornea is normally sph... Read >
Author: Carson Danfield

Top Ten Gemstone Distinctive Influences

14th August 2008
1. Fire • The exceptional influence known “Fire” through rhombus reaper is occurred because of diffusion, the aptitude of the gem stone to draw brightness separately into its diverse tinctures. • The fire maneuvers around the glass prism dis... Read >
Author: MUmarF

Hand blown glass chandeliers

23rd July 2008
You customized Glass Chandeliers What make them unique is that each chandelier is expertly hand crafted and every piece of glass is individually hand blown. It ensures that two chandeliers will never be the same and you will have something exclusive in... Read >
Author: Ketan Kulkarni

What is Astigmatism?

18th July 2008
Astigmatism is a condition where the cornea has an irregular shape that causes problems with vision. The cornea, the clear covering of the lens and iris, serves as a protection to the eye and helps transmit light thru the eye. The cornea is normally spher... Read >
Author: Carson Danfield

Vessel broadcasting

01st May 2008
In troposphere under normal conditions the air pressure water vapor pressure and temperature reduces with the increase of height above earth. As a result of this the refractive index also reduces with the increase of height. In standard atmosphere the mod... Read >
Author: Robert Palmer

Super Refraction In Satellite Radios

01st May 2008
While the M curve has a negative slope the curvature of the ray is concave downward on a plane earth diagram and the true curvature of the rays is greater than the curvature of the earth. Hence rays which enter the duct with sufficiently small angles are ... Read >
Author: Robert Palmer

Polarized Sunglasses

28th February 2008
Polarized Sunglasses are used for protection against the excessive gleam. These sunglasses are designed to reduce the gleam coming from high surfaces of gleam, like water, snow and sand. Polarized Sunglasses are made to neutralize the effect of the gleam ... Read >
Author: Sunglass Replicas

Super Refraction

10th September 2007
When the M curve has a negative slope the curvature of the ray is concave downward on a plane earth diagram and the true curvature of the rays is greater than the curvature of the earth. Hence rays which enter the duct with sufficiently small angles are b... Read >
Author: Robert Palmer

Staying Safe While Vacationing in St. Thomas

10th September 2007
By space wave we mean the radio wave which travel from the transmitting antenna to the receiving antenna through the space that is the earth�s troposphere. Earth�s troposphere extends from the earth�s surface up to about fifteen kilometers. The spac... Read >
Author: John Ugoshowa

Effects on ionosphere

03rd September 2007
A solar eclipse causes a decrease in the critical frequency of E and F1 layer. The variation of critical frequency is approximately in phase with the optical eclipse. The ionization in E and F1 layer results from solar radiation having speed closely agree... Read >
Author: Robert Palmer

Duct propagation

02nd September 2007
In troposphere under normal conditions the air pressure water vapor pressure and temperature reduces with the increase of height above earth. As a result of this the refractive index also reduces with the increase of height. In standard atmosphere the mod... Read >
Author: Robert Palmer

Glass Room Dividers - The Pros And Cons

31st July 2007
One of the best things you can do to reduce the risk of buying something like a glass room divider would be to assess the pros and cons. This will help you determine just how much risk you will be facing and how to reduce it. Here are a few of the pros an... Read >
Author: Tim Lee

When do you visit your eye doctor?

04th July 2007
Where do you go when you are having difficulty with your sight? Depending on the extent of the problem, your solution may vary. There are a lot of different types of vision specialists you could see, including an ophthalmologist, optometrist, and optician... Read >
Author: seanicasia

Find a good eye specialist

01st July 2007
Where do you go when you are having difficulty with your sight? Depending on the extent of the problem, your solution may vary. There are many different types of eye doctors you could see, including an ophthalmologist, optometrist, and optician. For ex... Read >
Author: seanicasia

Diabetes

21st May 2007
One of the most common disorders of the endocrine system is diabetes mellitus. Diabetes is defined as a disorder or group of disorders that show a deficient secretory process of insulin, hyperglycemia or glucose. There are symptoms or signs that indic... Read >
Author: groshan fabiola

Eye Sty Treatment Tips

21st May 2007
An eye sty is a common infection of the hair follicle of an eyelash. Generally, an eye stye starts with a small pimple. Within the next few days, it gets filled with pus and consequently bursts and heals on its own with the draining of infection. An e... Read >
Author: Juliet Cohen

THE MANUFACTURING PROCESS- CUTTING AND POLISHING THE DIAMOND TO PERFECTION

16th October 2006
The process of cutting and polishing gems is called gem cutting or lapidary, while a person who cuts and polishes gems is called a gem cutter or a lapida. The cutting of the diamond includes three series' of operations: splitting (or cleaving), cutting an... Read >
Author: Jasmin Pannu

Eye care and Computers

21st August 2006
Computers definitely are here to stay and the onus of finding innovative ways to reduce the stress that our eyes undergo while we use those lies entirely on us. Before looking for ways and means to protect the eye, it is essential to know what exactly ... Read >
Author: Ashwin Kumar

Lasik Eye Surgery - Are you ready?

04th July 2006
Is Lasik in your future? Millions of Americans turn to Lasik Surgery when their vision is less than perfect and they're tired of being tied down to wearing glasses or contacts. What part of the eye is it that may be causing all your vision trouble? You... Read >
Author: Beth Gabriel

Wavefront Lasik - How it's done and what it is?

03rd July 2006
Traditional LASIK surgery achieves a simple correction of focusing power by reshaping the cornea with the aid of a laser. Wavefront LASIK is a variation of that conventional procedure and accomplishes a spatially varying correction based on readings from ... Read >
Author: Michael West

Why You Might Consider Enhancement After LASIK Laser Eye Surgery

26th May 2006
Undoubtedly every patient and eye surgeon would want to accomplish the desired visual correction in the very first refractive surgery procedure. Surgeons typically conduct a comprehensive preoperative examination to determine whether the patient is a viab... Read >
Author: NS Kennedy

Wholesale Gold Jewelry with Cubic Zirconia - How it is Better than Diamonds

21st May 2006
For your customers who have expensive tastes, but not the money to match, gold jewelry with cubic zirconia stones are the perfect choice, for in many ways, cubic zirconia is better than diamonds. The wholesale market for gold jewelry with cubic zirconia i... Read >
Author: Suneva .

An Introduction to LASIK

02nd May 2006
History of LASIK Over the years, especially in the latter half of the 20th century, rapid advancements have been made in the field of ophthalmology. Earlier eye surgery was a complex procedure involving invasive surgery and long recovery periods. The inv... Read >
Author: Ajishnu Sharma

How To Wash Your Eyes After LASIK Surgery

30th April 2006
LASIK is an efficient and fairly innocuous procedure. It is capable of treating several refractive errors, such as myopia, hyperopia and astigmatism. The procedure itself entails virtually no pain and provides rapid recovery. Though the vision will be blu... Read >
Author: NS Kennedy

Does Age Matter? Correcting Your Vision With LASIK Eye Surgery

25th April 2006
It's true that LASIK can eliminate a person's dependency on eyeglasses and contact lenses. It can correct a variety of refractive errors, such as myopia, hyperopia and astigmatism. However, LASIK surgery is not for everyone. There are certain conditions t... Read >
Author: NS Kennedy

Night Vision Problems Caused By LASIK Eye Surgery

23rd April 2006
According to research studies conducted in recent years, several patients who underwent LASIK reported problems seeing at night. The induced night vision defects included halos, starbursts and glare around brightly lit objects at night. These night vision... Read >
Author: NS Kennedy

Could You Be A Candidate For LASIK Eye Surgery?

20th April 2006
Does wearing spectacles or contact lenses seem cumbersome to you? Are you considering LASIK eye surgery one of the most prevalent and successful refractive surgery techniques? I suggest you hold your horses and rather request the valuable assistance of ... Read >
Author: NS Kennedy

LASIK Procedures Explained - Can It Help Your Blurred Vision?

14th March 2006
LASIK is the most commonly performed refractive surgery procedure and stands for Laser Assisted In-Situ Keratomileusis. Owing much to the technological advances, several new refractive surgery procedures have been developed. However, the procedure is stil... Read >
Author: NS Kennedy

Defining LASIK Eye Surgery - How It Works

12th March 2006
LASIK eye surgery is a refractive surgery intended to reduce a patient's dependency on eyeglasses or contact lenses. LASIK is the most prevalent of all refractive surgery types. LASIK aims to reshape the cornea in order to allow for accurate refraction, w... Read >
Author: NS Kennedy

Photorefractive Keratectomy Laser Eye Surgery

15th February 2006
Photorefractive keratectomy (PRK) is a laser eye surgery procedure that is carried out with the key intent to correct a patient's vision. PRK permanently changes the shape of the frontal corneal tissue using an excimer laser, which is a high-precision ult... Read >
Author: NS Kennedy

LASIK - a Cure for Blurry Vision?

14th February 2006
Presbyopia is an eye disorder that normally sets in between the ages of 40-50. A lot many theories have been suggested to delineate its proper cause. However, the most convincing theory is that the eye lens loses its elasticity over time, and this in turn... Read >
Author: NS Kennedy

Laser Eye Surgery - Everything you need to know

23rd September 2005
What is Lasik The eye and vision errors The cornea is a part of the eye that helps focus light to create an image on the retina. It works in much the same way that the lens of a camera focuses light to create an image on film. The bending and focusi... Read >
Author: izzy brewer