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What else can I help you with?
What is the name of the glasses which can focus on two lengths at the same time?
They are bifocals good for the one who wants it both in one frame check Eye glassdirect they have great types and collection of it.
What is it called when you can see both farsided and nearsided?
This is called being "cross-eyed" or having strabismus. It can cause the eyes to be misaligned, making it difficult to focus on objects at different distances. Treatment may involve glasses, eye exercises, or surgery.
What is the name of the round frame glasses Rita Moreno is wearing this fall 2011?
They are called super focus starting at 700.00
Glasses that focus at three different distances are?
ABBE Glasses Offers fasion and disigner glasses, cat eye glasses, blue blocking eyeglasses, single vision eyeglasses, bifocal and progressive eyeglasses, prescription sunglasses and photochromic eyeglasses and sports eyeglasses. cutt.ly/WjKPBJE
Why can I see better out of the bottom of my glasses?
When you see better out of the bottom of your glasses, it is likely because the prescription in your glasses is designed to correct your vision for close-up tasks, such as reading. This part of the lens is called the "reading zone" or "near vision zone," and it helps you focus on objects that are closer to you.
What are biofocals?
They're glasses that Benjamin Franklin had invented in 1784. Bifocals have two different areas, with different focal planes. Normally split top to bottom, to allow the lower part to focus on reading.
Reading glasses use what property of light waves to help people see better?
Reading glasses use the property of light waves called refraction. The lenses in reading glasses help to focus light rays onto the retina at the back of the eye, making objects appear sharper and clearer.
A microscope that maintains focus when the objective magnification is increased is called?
A microscope with the ability to maintain focus when changing objectives is called a parfocal microscope. This feature allows for easier and faster transition between different magnifications while keeping the specimen in focus.
What is the behavior of light that causes msgnifying glasses and contact lenses to bend light rays?
The bending of light rays is called diffraction. It happens because light actually moves at different speeds in different substances. When light strikes a border between two substances (such as air and the glass of a contact lens) at angle, the edges of the wave-front reach the new substance at different times. Thus the different sides of the light ray change speeds at different times and the light ray bends.
How do you write focus in a sentence?
If you ignore distractions and focus on what the teacher is saying in class, you are likely to understand the subject better.Without my glasses, I cannot focus properly on objects some distance away.
Can you use a scope effectively without glasses if you are near sighted?
Yes. Scope has adjustable focus.
Why does wearing glasses help your eyesight?
It helps your eyesight because,it has a special glass that makes you focus.
