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We only see things when light reflects from an object and enters our eyes. The human eye is only sensitive to certain types of light - we cannot see ultra violet light or infra red radiation.
The human eye consists of 7 main parts:
Lens: Focuses the light on the back of the retina by concentrating the light
Retina: Sends messages to the brain to tell you what you are seeing - converts light into vision
Pupil: Controls how much light enters the eye
Cornea: - Protects the eye.
- Controls and focuses incoming light
Iris: (The colored part of the eye) Contracts and expands to regulate the amount of light that enters the eye.
Optic Fiber: Carries electrical impulses (converted rays) from the eye to the brain.
Conjunctiva: Its cell produces mucous with helps lubricate the eye.
All types of eyes work in the same basic way; they all detect light and convert it to electrical signal and transmits them to the brain to be seen as images.
What else can I help you with?
What are the aids to the human eye?
There are quite a few aids to the human eye such as contacts. Another aid to the human eye is a set of glasses.
Aids to the human eye?
Some aids to the human eye include glasses or contact lenses to correct vision problems like nearsightedness or farsightedness. Other aids can include magnifying glasses for close-up work, sunglasses for UV protection, and artificial tears for dry eyes. Regular eye exams to monitor overall eye health are also important aids for maintaining good vision.
What are the aids of the human eye?
magnifying lens microscope telescope
What are the different aids for human eye?
Glasses, contact lens, lasik surgery
What are squirrel aids?
it is simple its AIDS for squirrels but the first human victim of squirrel AIDS is Frank Bradley Kastle had sexual relations with that squirrel and the ejaculated in eye giving him squirrel aids.
What are the aids of the eye?
I only heard of herpes of the eye...
Did Lisa left eye lopes have aids?
No, she did not have aids she helped the organization for aids by giving them money.
Is it true that people with AIDS have a yellow dot in their eye?
no
Can you get aids if HIV positive person spits in your eye?
No, it is a sexually transmitted disease. Blood or Semen in your eye can give you aids
If a human being has aids and they drink bleach will it cure aids?
No, but it may kill you.......
What is the leading cause of AIDS?
AIDS is caused by HIV, the human immunodeficiency virus.
What is the the virus that causes AIDS?
The Human Immunodeficiency Virus (HIV) causes AIDS.
