61. InteliHealth: Eyes, Reviewed by the Faculty of Harvard Medical School Farsightedness (hyperopia) http://www.intelihealth.com/IH/ihtIH/WSIHW000/28067/28108/210866.html?d=dmtHealt

62. W_refraction.htm Astigmatism, hyperopia, Myopia , Presbyopia. Refraction refers to the the retina . Emmetropia. Myopia. hyperopia. Emmetropia refers http://www.wa-eyemd.org/W_refraction.htm

Refraction refers to the way in which light rays are bent by the focusing system of the eye on to the retina in the back of the eye ; in this regard , it is often said that the eye is like a camera and the retina like the film in the camera. Three factors can influence the refractive state of the eye : 1) the shape of the clear front surface of the eye ( the cornea ) , 2) the shape of the human lens inside the eye , and 3) the axial length of the eye from front to back . The shape of the cornea performs 2/3 of the job of refracting light into the eye while the shape of the lens performs 1/3 of the job of refracting light rays onto the retina . Emmetropia Myopia Hyperopia Emmetropia refers to a refractive state in which light rays come to a sharp focus on the retina without corrective lenses . Nearsightedness , termed myopia , is a condition where the refractive state of the eye is too strong , and light rays come to a focus in front of the retina . Often , this is a result of the corneal curvature being too steep or the axial length of the eye being too long . A nearsighted person can see well up close but has difficulty with distance vision . Farsightedness

63. Half-Wave Rectification hyperopia. An eye is hyperopic when the far point is at a virtual point behind the eye. hyperopia is often referred to as longsightedness or far-sighted . http://www.liden.cc/Visionary/Visionary_h.html

Half-Wave Rectification A signal which follows only the positive part of a sinusoid and has zero-response to the negative part. Many simple cells show half-wave rectification to contrast reversing patterns. (See also Full-Wave Rectification Haploscopic Stimulation Different stimuli for the two eyes. Hemineglect A condition following damage to the parietal stream of one hemisphere in which individuals are unaware of stimuli from the hemifield that projects to that hemisphere. Hermann Grid Illusion Dark blobs appear at the intersections of black rectangles except when viewed foveally. (More on Optical Illusions Hollow Face Illusion A concave hollow mask of a face viewed from a few feet gives the impression of a normal face. The cognitive interpretation overrides the stereoscopic information. Horizontal Cells Cells in the retina connected via gap junctions that mediate lateral information transfer over large distances. Horopter For a given fixation point, the set of points on the retina that are perceived to have zero retinal disparity. The points sweep out an arc in space that intersects a fixated point in space. (See also Binocular Disparity and Vieth-Muller Circle Hue The perception of color. (See also

64. HYPEROPIA - Meaning And Definition Of The Word Dictionary. Search Dictionary hyperopia Dictionary Entry and Meaning. Matching Terms hyperopic. WordNet Dictionary. Definition n http://www.hyperdictionary.com/dictionary/hyperopia

English Dictionary Computer Dictionary Thesaurus Dream Dictionary ... Medical Dictionary Search Dictionary: HYPEROPIA: Dictionary Entry and Meaning Pronunciation: `hIpu'rowpeeu Matching Terms: hyperopic WordNet Dictionary Definition: [n] abnormal condition in which ... objects Synonyms: farsightedness hypermetropia hypermetropy longsightedness Antonyms: myopia nearsightedness shortsightedness See Also: ametropia presbyopia Webster's 1913 Dictionary Definition: Hy per o pi ... a Medical Dictionary Definition: farsightedness Biology Dictionary Definition: Hyperopia is the condition in which parallel light rays are focused behind the retina of the eye, causing nearby objects to seem blurry while faraway objects are clearer. Compare myopia Synonyms: farsightedness HOME ABOUT HYPERDICTIONARY

65. HYPEROPIA - Meaning And Definition Of The Word Search Dictionary hyperopia Dictionary Entry and Meaning. Pronunciation `hIpu rowpeeu. Matching Terms hyperopic. Medical Dictionary. Definition farsightedness. http://www.hyperdictionary.com/medical/hyperopia

English Dictionary Computer Dictionary Thesaurus Dream Dictionary ... Medical Dictionary Search Dictionary: HYPEROPIA: Dictionary Entry and Meaning Pronunciation: `hIpu'rowpeeu Matching Terms: hyperopic Medical Dictionary Definition: farsightedness HOME ABOUT HYPERDICTIONARY

66. Press Release - (May 4, 2004) NIDEK Hyperopia Clinical Study Update & Future FDA announced today that it has completed and submitted 3month clinical data for its new hyperopia study to the FDA. FDA criteria for hyperopia approval. http://www.nidek.com/2004504.html

INDEX -Fremont, CA USA, May 4 th NIDEK, Inc. announced today that it has completed and submitted 3-month clinical data for its new hyperopia study to the FDA. This marks an important milestone in the study process, as additional treatment eyes will be initiated in the study protocol effective immediately. NIDEK also received approval from the FDA to expand the clinical study to 300 eyes under the current treatment protocol. The expansion will include 150 eyes each for spherical hyperopia and hyperopic astigmatism. NIDEK has worked closely with the FDA on the design, initiation and evaluation of the clinical study. Below are the 3-Month data generated with 46 eyes treated with the new hyperopia algorithm. A total of 70 eyes have been completed as part of this clinical trial. 3-Month Results 3-Month Total 46 Eyes n/N MRSE within +/- 0.5 D MRSE within +/- 1.00 D UCVA 20/40 or better Loss of 2 or more lines BCVA FDA criteria for hyperopia approval MRSE within +/- 0.5 D

67. Press Release - (September 30, 2002) Hyperopia Clinical Module Submitted To FDA announced today that it has submitted its hyperopia PMA Clinical Module to the FDA for review and approval for hyperopia, hyperopic astigmatism and mixed http://www.nidek.com/2002930.html

INDEX Hyperopia Clinical Module Submitted To FDA for Review and Approval -Fremont, California, September 30, 2002- Nidek, Inc. announced today that it has submitted its Hyperopia PMA Clinical Module to the FDA for review and approval for hyperopia, hyperopic astigmatism and mixed astigmatism indication on the Nidek EC-5000 Excimer Laser System . This marks the final step in gaining commercialization approval by the FDA to market and treat indications of hyperopia with the Nidek EC-5000 Laser System. This also marks the start of the 180-day approval processing timeline with the FDA. Nidek's EC-5000 Excimer Laser System is currently approved for the reduction and elimination of myopia in the low, moderate and high ranges from -0.75 to -13.00 diopters (D) and moderate myopia with astigmatism ranging in severity from -1.00 to -8.00 D, with a refractive astigmatism from -0.50 to -4.00 D cylinder by manifest refraction, using both LASIK (Laser in-situ Keratomileusis) and PRK (Photorefractive Keratectomy). "Nidek is dedicated to providing the highest quality solutions and treatment therapies for quality patient care and surgical outcomes," states Mr. Okada. "The EC-5000 provides expanded treatment options, parameters and an innovative, technologically advanced platform for Refractive Surgery. The Nidek EC-5000 platform is designed for surgeons' present use as well as future needs, as the field of Refractive Surgery continues to advance and grow. Nidek is actively working on developing and launching its own custom ablation and wavefront technology platform with the Nidek EC-5000 Excimer Laser System. Currently this technology is available internationally and will soon be introduced in the U.S. once clinical studies and regulatory processes are done," stated Mr. Okada.

68. What Is Hyperopia? - Refractec.com With hyperopia, you see objects that are far away, but have difficulty focusing on near objects. What is hyperopia? hyperopia or http://www.refractec.com/US/Patient/2310.asp

Enter e-mail address to register for updates What is Hyperopia? Hyperopia or farsightedness is a very common refractive disorder, affecting up to 62% of people over the age of 40. With hyperopia, you may see objects that are far away, but have difficulty focusing on near objects. You may also find that you can see things clearly, but have to strain your eyes to maintain focus. Hyperopia occurs when the eyeball is too short or the cornea is too flat. When light enters a hyperopic (short) eyeball, it is focused behind the retina instead of directly on the retina where light must be directed for normal vision. Because of this, the focusing apparatus of the eye must constantly work to compensate and focus images. Symptoms and options Symptoms of hyperopia include blurred vision, eyestrain or headaches (especially when reading or at the end of the day). They will increase over time. Doctors prescribe a "plus" or convex corrective lens, in the form of eyeglasses or contacts, for the disorder. Hyperopia can also be corrected by steepening the central cornea using a vision procedure such as laser surgery or NearVision CK (Conductive Keratoplasty RESTRICTED DEVICE: US Federal Law restricts this device to sale, distribution, and use by or on the order of a physician or other licensed eye care practitioner. US Federal Law restricts the use of this device to practitioners who have been trained in its operation and who have experience in the surgical management and treatment of refractive errors.

69. The Farsighted Eye (hyperopia) In the Hyperopic Eye, light rays from distant objects head for a focus behind the retina. These distance rays are out of focus when they reach the retina. http://www.pixi.com/~gedwards/eyes/hypereye.html

In the Hyperopic Eye, light rays from distant objects head for a focus behind the retina. These distance rays are out of focus when they reach the retina. There is a disproportion between the focusing elements of the eye (cornea and crystalline lens) and the total length of the eye. On to "Astigmatism Page" Back to "Basic Concepts Page" Up to " Welcome Page"

70. Hyperopia Retinopathy Double Vision (diplopia) Dry Eye Fetal Alcohol Syndrome Floaters Genetic Eye Disorders Glaucoma Graves Disease Herpes hyperopia Ischemic Optic http://www.uic.edu/com/eye/Patient Care/EyeConditions/Hyperopia.htm

71. ThinkQuest : Library : A Perception Of Vision: Your Eyesite Farsightedness (hyperopia). nearsighted vision. astigmatism. These people suffer from a condition called hyperopia, more often referred to as farsightedness. http://library.thinkquest.org/C005949/diseases/hyperopia.htm

Index Human Anatomy Vision A Perception of Vision: Your Eyesite The human eye is by far the most important sensory organ. Our eyes play a dramatic role in our lives today. They contribute significantly to our emotions, ability to learn, and our capability to function in this world. A Perception of Vision offers a complete interactive guide to the human eye. This site provides an entertaining approach to many aspects of the eye concentrating on anatomy, diseases and corrective measures. Visit Site 2000 ThinkQuest Internet Challenge Students Hien Kingwood High School, Kingwood, TX, United States Jason Kingwood High School, Kingwood, TX, United States Coaches Jill Kingwood High School, Spring, TX, United States Want to build a ThinkQuest site? The ThinkQuest site above is one of thousands of educational web sites built by students from around the world. Click here to learn how you can build a ThinkQuest site. Privacy Policy

72. ThinkQuest : Library : The Eye-Opener hyperopia. Introduction. hyperopia hyperopia ). In hyperopia, near objects are blurry because the images focus behind the retina, instead of on it. http://library.thinkquest.org/28030/wrong.htm

Index Human Anatomy The Eye-Opener 'The Eye-Opener' provides comprehensive knowledge on different aspects on the eye - the different structures in our eyes, the many functions they have. We also included a discussion on common eye-diseases and proper eye care measures so that all who read our page can learn how to protect their vision from damage. You can also learn about the eyes of other animals in the animal kingdom and how they differ from each other. This web page also introduces to you some of the more common types of visual illusions and provide explanations for some of them! Finally, throughout our pages, we have included some funny facts you may not know about the eye. Visit Site 1999 ThinkQuest Internet Challenge Languages English Chinese Want to build a ThinkQuest site? The ThinkQuest site above is one of thousands of educational web sites built by students from around the world. Click here to learn how you can build a ThinkQuest site. Privacy Policy

73. The New York Review Of Books: HYPEROPIA Email to a friend. Letter. hyperopia. By Robert S. McElvaine, Reply by Garry Wills. hyperopia remains, I believe, the distinction of Millsaps. http://www.nybooks.com/articles/8023

@import "/css/default.css"; Home Your account Current issue Archives ... Email to a friend Letter HYPEROPIA By Robert S. McElvaine , Reply by Garry Wills In response to The Party Isn't Over June 15, 1978 To the Editors Like most of his writing, Carry Wills's "The Party isn't Over" ( NYR , June 15) is enjoyable and suggestive. His remarks on the nature of television's importance to American politics are penetrating. He is also on solid ground in his portrayal of much of what Henry Fuirlie says in The Parties: Republicans and Democrats in this Century as nonsense. Unfortunately, however. Mr. Wills's eye for political misinterpretation seems hyperopic. He rightly takes Mr. Fairlic to task for reducing the South to "the-blacks, the farmers, and the rednecks." Yet earlier in the same sentence Wills himself had reduced the white South to one category: "rednecks." That President Carter narrowly lost the white Southern vote does not necessarily mean that he lost the "rednecks." Contrary to popular belief, some whites in this region shade the area below their hairlines with collars, white, blue, or polkadat, Perhaps some of these whitenecks voted for Gerald Ford. Mr. Wills's analysis ignores two critical points: 1) to win the South it is no longer necessary to carry a majority of white voters: and 2) the South is no longer "the single largest homogeneous block of voters" in the nation. That distinction belongs to the Mountain West, with its increasingly conservative Republican representation in Congress. For several years the trend in the South has been away from the traditional racisl, reactionary $$$milirarlers who, with good cause, strike fear in Mr. Wills's heart.

74. Hyperopia Relating To Braille, Visual Impairments And Blindness - Braille Plus, Definition for the term hyperopia and how it is related to braille, visual impairments and blindness. http://www.brailleplus.net/visually_impaired_resources/Glossary/Hyperopia/

Home Braille Plus Services Our Clients Company Profile ... Other Resources Below you will find the definition for the term "Hyperopia" and how it is related to braille, visual impairments and blindness. Search for Everything This Category Braille Glossary » Hyperopia Hyperopia If you are farsighted, you have more trouble seeing up close than you do in the distance. However, it also means that you use your focusing system even out in the distance in order to make objects clear. People that don't have any farsightedness are at rest in the distance and don't need to use their focusing power to see clearly. (See Farsighted) Also, see the "Medical" section of our Resources Links. Related Terms and Resources: Medical Home Braille Plus Services Our Clients ... Contacts

75. HealthCentral - General Encyclopedia - Farsightedness provider Alternative names hyperopia Definition An error of visual focusing that causes difficulty in seeing near objects. Causes http://www.healthcentral.com/mhc/top/001020.cfm

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76. Hyperopia allergies. Surgical Correction Currently, there is no reliable surgical procedure which consistently treats hyperopia. Past attempts http://www.bgsm.edu/eye/cornea/hyperope.htm

Wake Forest University Eye Center Cornea Specialists Home Up What does 20/20 mean? Basic Eye Anatomy and Optics. ... Astigmatism [ Hyperopia ] Presbyopia The Farsighted Eye Intro: Hyperopia (i.e farsightedness) is much less common than myopia or emmetropia. It is typically in the +1.00 to +4.00 diopter range, rarely it can be as high as +8.00 diopters. Optics: In contrast to myopia, hyperopia occurs when the eye is too short for the power of its optical components. In hyperopia, the cornea is not steep enough and light rays hit the retina before they come into focus. In the picture above the light rays are shown to focus behind the eye (arrow). Distant objects appear blurred, and nearby objects are even more fuzzy. Most farsighted individuals need corrective eyewear to see clearly at all distances. Spectacle Correction: Correction of hyperopia requires a lens which is convex (i.e. thicker in the middle than the edges). This acts as a magnifier, and causes objects to appear bigger by 2% per diopter. For this reason hyperopes while wearing their spectacle correction, appear to have "big" eyes. Optical abberations and decreased peripheral vision occur are likely to occur with large amounts of hyperopia. Contact Lens Correction: Contact lens correction reduces the optical problems that plague spectacle lenses, but they have their own unique problems including high-maintance care solutions, corneal warpage, corneal suffocation, corneal infections, and eyelid allergies.

77. Hyperopia Or Farsightedness - From The Cleveland Clinic hyperopia or Farsightedness. People with hyperopia or farsightedness have difficulty focusing on objects close up, such as print in a book. http://webcenter.health.webmd.netscape.com/content/article/63/71992.htm?z=4051_0

78. Correction Of Hyperopia In Children Study (CHICS) : Research : College Of Optome Correction of hyperopia in Children Study (CHICS). What is hyperopia? What is the Correction of hyperopia In Children Study (CHICS)? http://optometry.osu.edu/research/chics.cfm

Research Studies :: College Research :: Research Overview Current Studies Correction of Hyperopia in Children Study (CHICS) What is hyperopia? Hyperopia is often called farsightedness. Children who are farsighted need to exert more effort in order to see clearly. As a result, they may not be able to see as well at near. It can also cause children to have difficulty concentrating, blurred vision, eyestrain, fatigue and/or headaches with close work. How common is farsightedness? Moderate to high hyperopia affects approximately one in six school-aged children. What causes farsightedness? Farsightedness occurs if your eye is too short or the cornea has too little curvature, so light entering your eye is not focused correctly. What is the Correction of Hyperopia In Children Study (CHICS)? There is controversy regarding whether or not it is necessary to treat moderate amounts of farsightedness in children. The Correction of Hyperopia In Children Study is being conducted so that eye doctors can learn more about hyperopia and how best to treat it. Approximately 80 children will take part in the study at several pediatric eye care centers in the United States. Who can participate?

79. Welcome To Enh.org - LASIK hyperopia. hyperopia or farsightedness causes near vision to be blurry or out of focus. Inp patients with higher levels of hyperopia http://www.enh.org/lasik/visionerrors.asp?gpid=114&pid=115&id=537<ype=C

80. Dictionary Of Difficult Words - Hyperopia INDEX A B C D E F G H I J K L M N O P Q R S T U V W X Y Z. DIFFICULT WORDS. hyperopia. n. hypermetropia. hyperope, n. hyperopic, a. http://www.tiscali.co.uk/reference/dictionaries/difficultwords/data/d0006716.htm

Your browser does not support inline frames or is currently configured not to display inline frames. // Show bread crumbs navigation path. breadcrumbs('four'); //> DICTIONARIES Animals Computers Difficult Words ... Plants Frames not supported Frames not supported INDEX: A B C D ... Z DIFFICULT WORDS hyperopia n. hypermetropia. hyperope n. hyperopic a. Helicon Publishing LTD 2000. makeButton("REFERENCE.DICTIONARIES","R1") makeButtonNoSize("REFERENCE.DICTIONARIES","R2") makeButton("REFERENCE.DICTIONARIES","L1") makeButton("REFERENCE.DICTIONARIES","L2") Your browser does not support inline frames or is currently configured not to display inline frames. servePixl("REFERENCE.DICTIONARIES"); //accipter 1x1 pixel

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