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What are glasses that can focus at two different lengths called?
Wiki User
∙ 15y ago
Bifocals.
Wiki User
∙ 15y ago
Wiki User
∙ 14y agobifocals
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What is the name of the glasses which can focus on two lengths at the same time?
Glasses like this are called bi-focals. Bifocals
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
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.
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.
Opera glasses how to free a jammed focus wheel. have pair of lemaire opera glasses focus wheel won't move. have undone screw and removed brass cylinder but don't know what to do next help...?
Take them to a place that does repairs, maybe a watch store
Are people who see close-up but need glasses to focus on things far away nearsichted?
yes
Are people who see close up but need glasses to focus on things far away nearsichted?
yes
Why do some kids need glasses?
Glasses can correct some types of refractive error -- the problem that the eye has precisely focusing the incoming light rays on the retina. The main types of refractive error are called: myopia (near-sightedness), hyperopia (far-sightedness), and astigmati. So refraction is important to them because the glasses help to repair their eyes when the eye can't focus on the light entering the eye, hope this helped!!!
The point at which an earthquake begins is called?
The point at which an earthquake begins is called the focus.
