Term
| What are the benefits of Anti Reflective coating? |
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Definition
Improves vision by reducing bothersome reflections, glare, and halos
Improves night vision
Improves peripheral vision
Reduced Eye Strain due to glare. Eliminating glare can put less strain on your eyes
Less blue light exposure |
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Term
| What is the speed of light? |
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Definition
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Term
| What is the percentage of what we know about light and who contributed that knowledge? |
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Definition
| 94% of what we know about light has come from Christiaan Huygens |
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Term
| What is the wave theory and who created it? |
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Definition
Christaan Huygens
It's a wave but not one continuous wave like Huygens thought. Its a wave that also has little packets of energy called Photons |
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Term
| What are the little packets of energy called in the wave theory of how light travels? |
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Definition
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Term
| What calculated the speed of light? |
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Definition
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Term
| Who tried to attempt to measure the speed of light but was unsuccessful and then who followed up and was correct? |
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Definition
| Galileo attempted but failed and then Roemer was successful |
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Term
| Who is credited with discovering glass? |
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Definition
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Term
| Who took glass making seriously? |
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Definition
| The Assyrians. If you left they killed you |
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Term
| Who came up with spectacles? |
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Definition
| Roger Bacon & Salverino D Armante |
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Term
| Who is the connection with Thomas Young & Suscipi? |
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Definition
| Thomas Young figured out what Astigmatism is and Suscipi figured out how to fix it |
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Term
| Who figured out what Astigmatism is? |
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Definition
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Term
| Who figured out how to fix Astigmatism? |
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Definition
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Term
| Who was the first to try and design a lens? |
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Definition
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Term
| Who's recipe for glass do we still use to this day? |
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Definition
Pierre-Louis Guinand
Used clays rods in the process |
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Term
| How many diopters are the lens to match the curve of the human eye? |
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Definition
| 6 Diopters. Which is the standard |
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Term
| Who is considered "The father of modern glass"? |
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Definition
| Schott. Also where the term Schott glass comes from |
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Term
| What two things are associated with minus cylinder lens? |
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Definition
Invention of CR-39 & Minus Cylinder lens
Couldn't work on front so they turned it around and it worked on back |
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Term
| What does CR-39 stand for? |
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Definition
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Term
| Who invented photochromic lens? |
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Definition
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Term
| Who invented the Corpuscular theory of light? |
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Definition
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Term
| Who invented the Wave theory of light? |
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Definition
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Term
| Where were the first sunglasses sold? |
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Definition
Atlantic City New Jersey
by Foster Grant |
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Term
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Definition
| Thinner and have a wider field of view |
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Term
| Aspheric Lens benefits are |
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Definition
Spherical aberration correction (makes corrected image less blurry)
Improved performance.
Slimmer and thinner profile.
More frame options, even for people with strong prescriptions.
Improved image quality.
Sleeker profile.
Lightweight and more comfortable. |
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Term
| Who is the most successful seller of plastic transitions? |
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Definition
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Term
| What is Varilux's most successful seller? |
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Definition
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Term
| What is a company that competes with Varilux as another seller? |
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Definition
| Corning also Zeiss is another company as well |
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