0
Not all spectacles for myopia are made of glass, and in those that are, any optical-quality glass would work.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Are spectacles opaque?
Spectacles is an older word for eyeglasses. If spectacles were opaque, no one could see through the lenses. The glass (now plastic) used in spectacles must be clear and without scratches.
What are concave lens uses?
Concave lenses are used in spectacles used by those having short sight (myopia). Some are also used in high quality telescopes and binoculars. While some are used along with convex lenses like eyeglasses
Why is the window made up of glass?
Glass is the ideal material for a window. It's strong and easy to make, and you can see through it. High-quality glass can also be used in binoculars, telescopes and spectacles.
What is the most common treatment for myopia?
Eyeglasses are the most common method used to correct myopia. Concave glass or plastic lenses are placed in frames in front of the eyes. The lenses are ground to the thickness and curvature specified in the eyeglass prescription
What is an example of something transparent?
Something that allow you to look through it Example : a glass a plastic bag a glass window Best example : the glass used in spectacles is transprent so people can see through it :)
What is a person if he has on spectacles?
If a person is wearing spectacles it means he is wearing a pair of glasses. The word spectacles is rarely used in this day and age.
Spectacles used for viewing 3D films have?
polaroids
What is the difference between glasses and spectacles?
Spectacles and glasses are exactly the same in meaning but different in usage. The word spectacles is considered to be an old-fashioned and formal term for Americans but it is still used in British.
What is the difference between microscope and a spectacles?
spectacles are glasses like you wear on your face. a microscope is a tool used to identify small objects
What is the plural of spectacles?
Spectacles is a plural. As a noun, plural terms which are equivalent to their singular term (consider glasses) are usually used without change. I.e.) He wears glasses (singular) They all liked their glasses (plural). The spectacles were quite useful (singular). No matter how many spectacles (plural) you own, one is often enough.
How does photorefractive keratectomy treat myopia?
The PRK procedure flattens the cornea by vaporizing small amounts of tissue from the cornea's surface. Photorefractive keratectomy can be used to treat mild to moderate forms of myopia.
What do the spectacles symbolize?
Spectacles are often used to symbolize perception, insight, or intellectual vision. They can represent the ability to see things clearly or gain new perspectives on a situation. In literature, spectacles may also suggest the importance of observation, analysis, or understanding.
