0
When you can not see the near or distant objects clearly, you need refraction examination of your eyes. You may be suffering from, what is called as astigmatism. In that case you may have headache. You need cylindrical lens in that case.
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoA refracting telescope is an instrument that examines the visible-light region of the electromagnetic spectrum. It usually has two main lenses, the objective lens and the eyepiece lens.
Add your answer:
Earn +20 pts
Is there a cure for bad vision and heathy eyes?
What is excessive eye refraction.
Where can one go to get a free eye test?
One must be eligable for a free eye test, if one passes for eligability, then you will be able to get a free eye test from the NHS, you may also be likely to get a free eye test from specsavers.
What is Fundus not visualized?
When an eye exam is given, the Fundus may not be seen. This usually occurs when drops to dilate the eye are not given.
What is the purpose of the layer of fat on the eye?
to protect the eye and allow it to turn easily
What is the main purpose of the human eye?
The main purpose of the human eye is to capture light. The eye captures the light from the surrounding and sends the data to the brain which interprets it.
What is bending of light rays by the cornea lens and fluids of the eye is?
Refraction.
What has the author Franciscus Cornelis Donder written?
Franciscus Cornelis Donder has written: 'On the anomalies of accommodation and refraction of the eye' -- subject(s): Accommodation and refraction, Eye
How much is it for a contact eye exam?
On average the contact eye exam is $80.00.
What are optical devices used in refraction?
it is just an eye
The technique of determining the refraction condition of the eye?
ifraeniot
What structure of the eye can change the amount of refraction?
I believe it is the lense
If you have -2.75 eyesight what does it mean?
It means that -2.75 diopters of refraction must be interposed in front of your eye,and added to the refraction of your cornea plus your natural lens, in order to causeimages to focus on your eye's retina.
When eye focuses on near objects is the degree of refraction of light entering the eye increase or decreased?
decreased
What is the bending of light rays by the cornea lens and fluids of the eye?
Refraction
Is there a cure for bad vision and heathy eyes?
What is excessive eye refraction.
Can I do my own eye exam online?
Well, assuming you mean the reading of the eye chart with the big 'E' as the eye exam, yes you can. You do an eye exam online to get an idea of your vision and any possible problems, but it does not take the place of a professional eye exam. Here is one site to try: library.thinkquest.org/C005949/fun/eyechart.htm.
Where can you get a camouflaged suit on poptropica?
Well you get a eye exam. When you get the eye exam you press the opposite buttons ofthe symbol.
