PPT-Part One: - Physics of Eyes and Vision

Most of our knowledge of the world around us comes to us through our eyes The helplessness we feel when caught in the dark in unfamiliar surroundings is a good indication of our dependence on . vision. The eye is essentially an opaque eyeball filled with a water-like fluid. . In . the front of the eyeball is a transparent opening known as the . cornea. , a . thin membrane . with an . index of refraction of approximately 1.38. The cornea has the dual purpose of protecting the eye and refracting light as it enters the eye. . Within the orbit are 6 extrinsic eye muscles, which move the eye. . There are 4 cranial nerves: Optic (II), Occulomotor (III), Trochlear (IV), and Abducens (VI). . People of Asian descent have an . EPICANTHIC FOLD . The eye is the lamp of the body. If your eyes are good, your whole body will be full of light. But if your eyes are bad, your whole body will be full of darkness. If then the light within you is darkness, how great is that darkness!. Functional Implications of Visual Impairment. Session 2: Wednesday, September 16, 2015:. Anatomy of the Eye, Associated Eye Conditions and Functional Implications. Housekeeping items. Start Anatomy of Eye, Associated Conditions and Functional Implications. BIONIC . EYE. . K.Dinakar. 09A91A0410. 2. nd. . B.Tech. , ECE. . P.S.V.S.Jagdish . Babu. 09A91A0432. 2. nd. . B.Tech. , ECE.. CONTENTS. . Introduction. How are we able to see?. How is vision impaired?. Atkeson. 4/14/16. Whole Body Vision: Origins. Argus . Panoptes. . (https. ://. en.wikipedia.org/wiki/Panoptes). In Greek mythology,.  . Panoptes.  . (Ancient Greek: . Πα. νό. πτης; English translation: "the all-seeing") was an . M.D., MPH. University of Louisville School of Medicine. Department of Ophthalmology & Visual Sciences. 10/2/2015. Subjective. CC: Painless Central Vision Loss OS. HPI: 38 year old AAF with history of hypertension, obesity, prior pulmonary embolism presents to ED with CC of persistent, painless central vision loss in her left eye for the last four days. Patient noticed black dots in her field of vision in her left eye which became most obvious while watching TV. Also described dull, bi-lateral headaches surrounding her frontal sinuses and felt “funny”. No flashes of light, floaters, curtains. Right Eye unaffected. . Applications”. Tina . Mastrangelo. , . MCD, . CCC-SLP, Senior SLP . Janine E. Pacheco, PT, DPT, C/NDT, . Melissa Lorenzo, B.S. Brianna Morris, SPT. HealthSouth Rehab Hospital of Largo. Terminology. Within the orbit are 6 extrinsic eye muscles, which move the eye. . There are 4 cranial nerves: Optic (II), Occulomotor (III), Trochlear (IV), and Abducens (VI). . People of Asian descent have an . EPICANTHIC FOLD . I spy with my little eye Common ophthalmic disorders AND NOVEL TREATMENTS Objectives Describe the normal structure and functions of the eye, and identify structures which help protect the eye Identify the principles of providing basic eye care which should be taught to all patients with eye disorders Unit 2 Image Formation Models. What Is Monocular Vision?. Monocular vision.  is seeing with only one eye at a time. . Seeing with both eyes is . binocular vision. .. Animals with monocular vision can see a lot of area with that one eye - more than we can. .  . . INTRODUCTION. . In current century of information technology, use of electronic gadgets has increased and also the number of ocular complaints also increased. Regular practice of relaxation techniques like . Defining Learners with special needs-VI. By . Ranita. . Banerjee. Assistant Professor . Economics Method. Impairment. A condition in which a part of your body or mind is damaged and does not work well. Children’s Vision for Students. Your eyes…. Are about as big as a ping-pong ball. Sit in a little hollow area in your skull (called the eye socket). Are protected at the front by the eyelid. Are kept clean by blinking.