Retinal Function. Cornea a highly specialised tissue main function is refraction and transmission of light structure is an outer epithelium, an avascular hypocellular stroma and a non-replicating endothelial monolayer the endothelium pumps water out of the stroma into the anterior chamber; failure leads to loss of transparency 23. The lens is a complex structure. It is convex and Colour vision- 3 types of cones: blue, green, red. CORNEA ; transparent bulge over pupil The anatomy of the eye includes auxiliary structures, such as the bony eye socket and extraocular muscles, as well as the structures of the eye itself, such as the lens and the retina. This PowerPoint includes detailed diagrams for different parts of the eye. Function: refracts light - bends it as it enters the eye Iris Description: Pigmented - decides the color of your eyes - so light cannot pass through. Internal Fish Anatomy and the Function of Fish Organ Systems. eye, external and internal structure, brief structure of eye parts. Unit 4. 1. 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. Blood-rich nutritive tunic Pigment prevents light from scattering Modified anteriorly into two structures Ciliary body smooth muscles Iris Pigmented layer that gives eye color With circularly and radially arranged smooth muscles Pupil rounded opening in the iris Close vision and bright light pupils will constrict distant vision and dim light pupils will dilate This damage may interfere with the way the eye receives or processes visual information. Structure of the eye is an important topic to understand as it one of the important sensory organs in the human body. Amazing Human Eye 7Active Medical Media. Updated: Sep 30, 2014. docx, 15 KB. The eyelid protects the front part of the eye. Looks like you’ve clipped this slide to already. And the main protein is albumin in this part of the eye. Read more. Light enters the eye through the cornea. Layers and chambers of the eye. Parts of the eye: Sclera - The sclera is the white part of the eye. Gift of the Creator Gives us the sense of sight 70% of all sensory receptors are in the eye Spheroid structure, about 2/3 the size of aping-pong ball Functions: distinguishes light and dark,shape, colour, brightness & distance ofobjects. Structure Function; Cornea: Refracts light - bends it as it enters the eye: Iris: Controls how much light enters the pupil: Lens: Further refracts light to focus it onto the retina What is light? Most friends won't say OK if you ask to see their liver! Preview and details Files included (2) docx, 15 KB. The PowerPoint PPT presentation: "The Human Eye: Anatomy (structure) and physiology (function)" is the property of its rightful owner. It describes in depth the different parts of the eye that are involved in the ocular manifestations seen in the mucopolysaccharidoses (MPS). It's also transparent, so … Big as a Ping Pong Ball. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. The eye is the photo-receptor organ. The quiz makes a nice fun plenary when this section of the syllabus is completed. Do you have PowerPoint slides to share? (black hole) black hole in iris. PUPIL RETINA OPTIC NERVE VITREOUS GEL MACULA IRIS CORNEA LENS Please refer to the back of this handout for the descriptions of . The cornea is the transparent, more curved anterior surface of the bulbus oculi. Structure and Function of the Human Eye - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. About this resource. 3. Structure and Function The eye transmits visual stimuli to the brain for interpretation and, in doing so, functions as the organ of vision. Free. The eyeball is located in the eye orbit, a round, bony hollow formed by sev-eral different bones of the skull.  Gift of the Creator Gives us the sense of sight 70% of all sensory receptors are in the eye Spheroid structure, about 2/3 the size of aping-pong ball Functions: distinguishes light and dark,shape, colour, brightness & distance ofobjects. Fibrous Tunic Vascular Tunic Nervous Tunic Anterior Chamber. Ideal for lessons on the human body. Now customize the name of a clipboard to store your clips. Eye anatomy mohammed Qazzaz. Eye anatomy. There are three ways areas, or underlying reasons for, a visual impairment. • The white and opaque coat is the sclera. transparent covering of the front of the eye. 3. The globe of the eye, or bulbus oculi, is a bulb-like structure consisting of a wall enclosing a fluid-filled cavity. The _____ is the transparent front part of the eye. It is the clear, transparent front part of … Now customize the name of a clipboard to store your clips. The inner ear Clipping is a handy way to collect important slides you want to go back to later. It is part of the eye optic. allows for the passage of light into the eye and it also focuses the light. Its main goal is to “transfer” the correct image to the optic nerve. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The eye is protected from mechanical injury by being enclosed in a socket, or orbit, which is made up of portions of several of the bones of the skull to form a four-sided pyramid, the apex of which points back into the head. Structures auxiliary to the eye The orbit. The formation of the eye Some of the eye's parts are easy to see, so most friends will say OK. 120 million. Structure and Function of the Human Eye - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. 1. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Structure and function of eye Mariah Awan. Topic - The Human Eye (Tuesday 19th march) ppt, 906 KB. PARTS: Cornea. For example, muscle cells contract, nerve cells transmit impulses, and gland cells produce chemicals. Read more. Visit an eye care unit or clinic with your friends and teacher to observe various charts displaying the anatomy of eye. Key Eye Functions. Location: it is situated on an orbit of skull and is supplied by optic nerve. The _____ is a gel-like substance that helps to keep the eyeball in its proper shape. See our User Agreement and Privacy Policy. You can change your ad preferences anytime. Parts of the human eye and their functions. See our Privacy Policy and User Agreement for details. 2 worksheets for use in a KS2 lesson about the parts of the human eye: *Labelling key parts of the eye *Explaining what different parts of the eye do These worksheets are a small segment of a full lesson on the human eye, which covers light sources, how we see and the functions of the parts of the eye. Info. A human eye is roughly 2.3 cm in diameter and is almost a spherical ball filled with some fluid. Eye power point BESD 53. The current paper provides an overview of current knowledge on the structure and function of the eye. 2. Why Pakistan will survive ppt by Kinza IRSHAD, Paper on sea role in trans boundry river management by Kinza Irshad, Regional aspects of development and planning, Composition & structure of the atmosphere, No public clipboards found for this slide. eye has many parts that must work together to produce clear vision: The sclera Created: Mar 19, 2013. these main parts of the eye and their functions. The human eye is a complex optic instrument. Some people think that the lens of the eye is found on the outside, where the cornea is – perhaps because of the use of the word “contact lenses.” But the lens that performs the final focusing of light is found inside the eye, behind the pupil. It controls the amount of light that enters the eye … The Human Eye – Wednesday 20th March. High threshold to light. PARTS OF THE EYE To understand eye problems, it helps to know the different parts that make up the eye and the functions of these parts. Cornea: The front transparent part of the sclera is called cornea. Structure and Function of the Human Eye The Human Eye ~ Sense Organ Cornea Description: Front part of the tough outer coat, the sclera. A range of activities to help teach the eye including a cut and stick, a label diagram and a question sheet. Presentation Summary : Structure and Function of the Human Eye The Human Eye ~ Sense Organ Cornea Description: Front part of the tough outer coat, the sclera. Cornea borders sclera which is a non-transparent eye coat. | PowerPoint PPT presentation | free to view Eye Care Hospital | Shri Gurudev Netra Chikitsalaya - Indore Eye Care (Shri Gurudev Netra Chikitsalaya) has been serving top quality eye care treatment since 2001, in … 6 million. Cells often become specialized to perform certain functions. Topic - The Human Eye (Tuesday 19th march) ppt, 906 KB. The cornea not only protects the front of the eye, but also helps focus light on the retina at the back of the eye. It is convex and transparent. Allows for the passage of light into the eye and functions as a fixed lens. The lens of the eye lies immediately behind the pupil. So it's composed of water and some salt and some protein. Looks like you’ve clipped this slide to already. If you continue browsing the site, you agree to the use of cookies on this website. Human Eye: Anatomy, parts and structure. Light adapted ( photopic) vision. The first, there may be damage or a result of an injury to one or more parts of the eye essential to vision. Structure And Function Of The Human Eye PPT. Low threshold to light. Loading... Save for later. The Human Eye – Wednesday 20th March. The iris is the circular, colored area of the eye. The _____is also known as the white of the eye. The Cornea is the second structure that light strikes. Size and shape: Human eye is spherical about 2.5 cm in diameter. The _____ is a gel-like substance that helps to keep the eyeball in its proper shape. 2. Cornea is a transparent coat covering the front part of the eye. If you continue browsing the site, you agree to the use of cookies on this website. FUNCTION of Cornea. High acuity. Clipping is a handy way to collect important slides you want to go back to later. The vitreous humour helps suspend the lens in place, and it also provides some structure for the eye so that the eye doesn't just collapse in on itself. Loading... Save for later. • Photoreceptors: conversion of light into action potentials • Cones. 4.48). If you continue browsing the site, you agree to the use of cookies on this website. These topics include properties of light, reflection, transmission, absorption, transparent, translucent and opaque, colors of light, law of reflection, law of refraction, mirrors, lenses, virtual vs. real images, focal points, structure and function of the human eye, and vision disorders. Eye.ppt DominicDR. Preview and details Files included (2) docx, 15 KB. Retinopathy of prematurity by fatimah alshiekh. Pupil size is controlled by iris muscles. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Let’s have a glance on the human eye – it’s structure and function. Anatomy and physiology of the eye Bahaa Halwany. Updated: Sep 30, 2014. docx, 15 KB. Structure and Function of the Eye SPE 516 Limbus can be a site of certain diseases maintains the shape of the globe, offering resistance to internal and external forces, and provides a place for the extra-ocular muscles to attach * Uveal tract also provides light absorption. If you continue browsing the site, you agree to the use of cookies on this website. Parts of the human eye and their functions. It consists of the following parts: Sclera: It is the outer covering, a protective tough white layer called the sclera (white part of the eye). The outer ear - pinna - ear canal - eardrum 2. Human eye, specialized sense organ in humans that is capable of receiving visual images, which are relayed to the brain. Work together to produce clear vision: the front transparent part of the eye - the human eye sur-rounded. Canal - eardrum 2 the anatomy of eye outer coat which is a clear dome the... 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