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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.
What else can I help you with?
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.
What year were the first eyeglasses made in?
The first eyeglasses were made in the year 1286 in Italy, attributed to the work of a Dominican friar named Alessandro della Spina. These early eyeglasses were simple glass lenses held together with rivets and did not have temples like modern glasses.
When were the first eyeglasses invented?
The first eyeglasses were invented in the 13th century, around the year 1286, by an Italian inventor named Salvino D'Armate. These early eyeglasses were simple magnifying glasses made by mounting lenses into frames.
Is an outward curving lens?
An outward curving lens is known as a convex lens. It is thicker in the middle and thinner at the edges, causing light rays passing through it to converge. Convex lenses are commonly used in magnifying glasses, cameras, and eyeglasses to focus and bend light rays towards a focal point.
Should eyeglasses lens have an apostrophe?
Yes it should be eyeglass' lens because the lens belong to the eyeglasses
What were the first eyeglasses made of?
The frames were made from metal and the lens were made from crown glass.
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.
Why is the translucent mark made?
The translucent mark is made to assist the optometrist in determining the correct axis orientation of the lens when fitting prescription eyeglasses. This mark helps ensure that the lens is properly aligned to correct vision problems such as astigmatism.
What is a type of eyeglass?
There are many types of eye glasses like prescription eyeglasses, sunglasses, prescription sunglasses etc. For more information about eyeglasses and to purchase eyeglasses you can visit http://www.globaleyeglasses.com/
What kind of lens does a eyeglasses use?
Any type - it all depends on what correction is needed.
How do you spell specticel?
The correct spelling is spectacle (a viewed event, or a lens as in spectacles, or eyeglasses)
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.
What are two examples of lenses that occur in nature?
A microscope and eyeglasses are two examples of scientific lenses.
