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These days people most lenses are plastic (cr-39) or poly. The cr-39 stands for the certain batch that was made, and which it was a good one, so it was kept. every once and a while you will get that person that just wants glass because it can withstand scratches more, but it's still not scratch proof.
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What were the first eyeglasses made of?
The frames were made from metal and the lens were made from crown glass.
What kind of lens does a eyeglasses use?
Any type - it all depends on what correction is needed.
Why do eyeglasses fog up when you come inside from the cold?
That is the reaction of the cold lens meeting with the heat from the inside.
What year were the first eyeglasses made in?
they were made in the 1500s.
Who made the eyeglasses?
the first kind of eyeglasses was invented by Benjamin Franklin which the inventions was known as specs or specticals
What were the first eyeglasses made of?
The frames were made from metal and the lens were made from crown glass.
Should eyeglasses lens have an apostrophe?
Yes it should be eyeglass' lens because the lens belong to the eyeglasses
What materials were used to make eyeglasses?
Eyeglasses are made with materials such as metal and glass. The glass is the most important part of the glasses as they form the lens which the glasses are used for.
Is eyeglasses plural or singular?
Eyeglasses are plural. Each lens is an eyeglass.
Where can Coach eyeglasses be bought?
Coach eyeglasses can be purchased from Lens Crafters and Pearl Vision. Coach was establish in 1941 and specializes in creating stylish and colorful eyeglasses.
Are eyeglasses and contacts for sale at Coastal Contacts?
Coastal Contacts is a premeire online company that caters to people looking to purchase not only contact lens but colored lens, eyeglasses, and frames.
Is eyeglasses a plural possessive noun?
The word 'eyeglasses' is a singular and plural noun; it is one of the nouns that are a singular word for 'a pair of', such as scissors, pants, etc. The singular, 'eyeglass' is the word for the lens in the eyeglasses. For example, 'I'm wearing my eyeglasses.' or 'I have two pair of eyeglasses.' The plural possessive is eyeglasses'. Example sentence: The eyeglasses' lenses need cleaning.
Image of object formed by a lens on the screen is not in sharp focus suggest a method to get clear focusing of the image on the screen without disturbing the position of the object lens or the screen?
You could insert a second lens in the focal path, between the object and the first lens. The second lens can be designed (or moved) to focus the image on the screen. This is the same function that eyeglasses do for people with poor vision. The second lens, the eyeglasses, are inserted between the viewed object and the lens of the eyes. The second lens is designed to correct the distortion of the eye lens, thus creating an in-focus object on the "screens" of the eyes.
Which provide better vision correction contact lens or eyeglasses?
Both provide adequate vision correction but contact lenses provide long term benefits. With eyeglasses, the eye experiences strain between itself and the lens of the eyeglasses. With contact lenses, there is no strain because the corrective lens is in contact with the surface of the eye. Devoted contact lens wearers experience little or no worsening in vision in comparison to devoted eyeglass wearers due to this eye strain factor.
How do you spell specticel?
The correct spelling is spectacle (a viewed event, or a lens as in spectacles, or eyeglasses)
What kind of lens does a eyeglasses use?
Any type - it all depends on what correction is needed.
What brand of eyeglasses Lynn Berry on HLN wears?
The brand of eyeglasses that Lynn Berry wears on HLN is the "poor boys" that has green tint lens and the shell frames.
