This blog shows the eyes, the problems,how they affect us every day how we can detect it.The sight allows us to see both man and animals .The sight allows us to perceive the form below position size and colour of objects.The sight is very important to day and day for example read take the bus write,paint, do sports and drive.
PARTS OF THE SIGHT
1.Iris is the colour part of the eyes. 2.Pupil it opens and shrinks with light.
3.Lens reflects light intro the retina
6.Sclera it the white part of the eyes.
7.Optic nerve transport the information to the eyes.
8.Aqueous it a liquid colorless. It dampens the eyes.
9.Vitreous it is a clear liquid, shape the eyes
EYE DISEASE
- Cataracts is a cloud in the lens.- Glaucoma eyes pressure damages the optic nerve.
- Macular degeneration disease where vision is lost.
- Diabetic retinoterapia blood vessels grow and eventually can cause retinal detachment.When the vision is wrong some defects arise..Miopia,Hypertrophy,Astigmatism,presbyopia
CURIOSITIES
Ten thousand people blink twice a day.The sun can burn the eyes.
Ostriches have the largest eyes than brain.
All we cataracts when we are older.
Diabetes is detected with an eye exam.
Babies do not produce tears until four or 13 weeks.
The eyes of sharks are similar to those of humans.
The human eyes distinguishe ten thousand colour.
Babies do not see colour when born.
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This picture is a person with myasthenia gravis.It is arare disease where you drop the eyelids.This disease suffered Aristotle Onassis.THE END
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