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How do eye glasses improve the sight of a nearsighted person?
They correct the path of the light entering the eye so that it will focus a sharp image on the retina.
How would you describe a nearsighted person's eye?
A nearsighted person's eye is typically longer than average or has a cornea that is too steep. This causes light entering the eye to focus in front of the retina instead of directly on it, resulting in blurry distance vision. Nearsightedness can be corrected with glasses, contact lenses, or refractive surgery.
Why does a nearsighted person wear glasses to correct their vision?
A nearsighted person wears glasses to correct their vision because the lenses in the glasses help to focus light properly onto the retina at the back of the eye, allowing the person to see distant objects more clearly.
What happens when the diaphragm is adjusted?
Adjusting the diaphragm adjusts the amount of light entering the objective.
What happens if the pupil doesn't work?
If the pupil of the eye did not work, than your eye could not regulate light entering it.
What happens to light rays when they travel through concave lens?
When they are entering a concave lens they are refracted and bend away from each other.
How do eyeglasses help a nearsighted person see more clearly and improve their vision?
Eyeglasses for nearsightedness have lenses that bend light rays to focus them properly on the retina, correcting the blurry vision caused by the eye's inability to focus light. This helps the person see distant objects more clearly and improves their overall vision.
Why can nearsighted people see better underwater than people with 20 20 vision?
When light changes from traveling in one medium to another, it will 'bend' or refract. However, water and your eye basically have the same refractive index, so the light will barely bend (unlike in air.) Your lens can't properly compensate for the lack of the refraction, so a normal person would become more farsighted, a farsighted person would become even more farsighted. However, a severely nearsighted person would get closer to normal as their eye defects compensate more for the lack of refraction.
What does light touch first when entering a camera?
The lens are the first thing that light touches when entering the camera.
What is the difference between reflection and refraction in the context of light?
Reflection occurs when light bounces off a surface, changing direction but not entering the material. Refraction happens when light passes through a material and changes speed, causing it to bend.
How do you decide who is at fault if an individual traveling through a yellow light is hit by someone who is making a left turn?
A yellow light is a caution light. Therefore the person who is making the left turn is entering into traffic and is the one at fault.
What happens when venomis released into a person from a bee sting?
oyou get poisened and being light headed
