The eye structure pdf

Each structure of the eye works in accord with the next refracting, constricting, dilating and chemically reacting to convert patterns of light. Eye openers from the museum of vision 7 1 partseye of the key concept chapter onehow we see the pupil is the hole in the middle of your iris. The three transparent structures surrounded by the. Structure and function of the eyes eye disorders msd manual. Ear drum membrane that sends sound waves to hammer 4. Gross anatomy surface anatomyanatomy that we can see at the surface of the body everyday life regional anatomycomplete anatomy internal of a specific region of. It is so central to our way of life that irrational.

Series brought to you by western cape education department fet curriculum and communication directorates in collab. The function of iris is to control the diameter and size of the pupil and thus the. John hunter said, structure is the image of function. Anatomy and physiology of the human eye wiley online library. The eyes are seated in a hollow cone shaped cavity socket of the human skull named orbit. In the middle of the iris, there is a small opening called the pupil. The eyes interpret size, shape, colour and distance of the objects and give a 3d picture of the objects visible. Retinathe retina is the most complex structure of the eye and is the most metabolically active tissue in the body. The iris a diaphragm is the portion of the eye that gives your eye its color. Let us study how the human eye uses light and enables us to see objects.

Eyes are the most valuable organ of the human body, which process. Each eye constantly adjusts the amount of light it lets in, focuses on objects near and far, and produces. Allows for the passage of light into the eye and functions as a fixed lens. Pinna outer portion of ear used to collect sound waves 2.

The iris is a slim, circular structure in the eye that lies between the cornea and the lens of the human eye. Eyes are the most valuable organ of the human body, which process the images of objects in the vicinity. Structure and functions of human eye with labelled diagram. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Learn about their function and problems that can affect the eyes. The cornea is the second structure that light strikes. The iris controls the amount of light entering the eye by altering the diameter of the pupil. It is mainly responsible for vision, differentiation of colour the human eye can differentiate approximately 10 12 million colours and maintaining the biological clock of the human body. Pdf eye structure and physiological functions researchgate. The structure of the eye sclera choroid retina fovea optic nerve arteries and veins cornea iris il aqueous humour ciliary muscle suspensory ligaments. It is the clear, transparent front part of the eye that covers the iris, pupil and anterior chamber and provides.