Refraction

What is Refraction?

Refraction is the change in direction of a wave due to a change in its transmission medium. Refraction is essentially a surface phenomenon. The phenomenon is mainly in governance to the law of conservation of energy and momentum. Due to change of medium, the phase velocity of the wave is changed but its frequency remains constant.

Questions and answers on "Refraction"

I have regular headache

doctor1 MD

Brief Answer:
needs evaluation

Detailed Answer:
Hi,

I went through the query and understood your concern.
The cause of regular head ache may be...

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My mother recently visited eye doctor and diagnoses with Refractive Error & Chronic Allergic conjunctivitis.
Is this problem related to eye...

doctor1 MD

Brief Answer:
refraction is to be repeated and allergy test to isolate allergen.

Detailed Answer:
itis continued medical education not directly...

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Good Evening Doctor,

This is venkateshwarlu and the question is about my younger son who is 10 years old. Recently there was eye check up camp for...

doctor1 MD

Brief Answer:
simple myopia so correction to be given.every 2years it is to be reviewed.

Detailed Answer:
it is simple myopia. nothing to worry....

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Recent questions on  Refraction

doctor1 MD

I have a black spot on the Sclera of my Rt eye. I have had dry eyes , myopia and floaters for sometime. what is this spot? Should I be concerned?...

doctor1 MD

I had cataract surgery just a little over 3 weeks ago in my left eye. The next day I noticed a "shadow" in the corner of that eye. My eye doctor...

doctor1 MD

Hi. I am having some trouble with some OCT scans. I am doing the OCTs for my patients and I have trouble fully interpreting them. First case: woman...

doctor1 MD

My granddaughter is 4 years old. We have noticed that the eyeball of her right eye sometimes appears to move out towards her ear and at other times...

doctor1 MD

one doctor prescribes cylindrical power while other prescribe no cylindrical power . I am prescribed distance +0-50 and +2 -00 for near vision ....

doctor1 MD

My eyes are tired and always want to sleep. Eyes looks tired during the day as well. I want to close my eyes for some time regularly to continue...

doctor1 MD

Hi doctors, my daughter is 9 years old. she is wearing glasses from last two years. her power is (cylindrical) -3.25 (right) and -4.50 (left). I am...

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