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What is a single vision?
A single vision or as it sometimes is called tunnel vision can mean that you are only looking or focusing on one thing at a time. Many people have single vision when working.
What kind of lenss do you need in your spectacles or contact lenss?
Depends on the type of defect of the eye
What do humans use lenss for?
as a piece of glass or other transparent material, used to converge or diverge transmitted light, to form optical images, as for magnification or correcting defects of vision
What is a word that means not double vision but single vision?
Monocular ,
Are red contacts lenss illegal?
No.
How critical are lenss for a camera?
Extremely critical.
How are lenss used in telescopes and microscopes?
to magnify it
What are the lenss?
A lens is a device that changes the direction of light.
General electric vision statement?
General Electric no longer has a single vision statement. Instead it has evolved a purpose or vision for each segment of the industry and the overall vision is to maintain each segment's goals and vision.
Do you need a lens tint for single vision glasses?
YES
Can i get my lenss replaced?
It is possible to do so - you will need to contact your optician.
Why is the objective lenss called the objective lenss on the microscope?
The objective lenses are the optical element that gathers light from the 'object' being observed and they focus the light rays to produce a real image.
