https://www.vetsurgeon.org/w/veterinary-research/78/breed-associated-defects-in-the-ability-to-focus-light-in-canine-eyesIn this wiki, members may publish case studies and reports, presentations, short communications, research papers and the results of clinical audits relating to small animals, for open review / discussion by all members of VetSurgeon.en-USTelligent Community 10https://www.vetsurgeon.org/w/veterinary-research/78/breed-associated-defects-in-the-ability-to-focus-light-in-canine-eyesThu, 08 Oct 2009 17:09:24 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:08e69848-4699-4130-9157-5c442a92ffa1Arlo Guthriehttps://www.vetsurgeon.org/w/veterinary-research/78/breed-associated-defects-in-the-ability-to-focus-light-in-canine-eyes#commentsCurrent Revision posted to Abstracts, Short Communications &amp; Research by Arlo Guthrie on 10/8/2009 5:09:24 PM<br /> <p>&nbsp;</p> <h3 align="left">Melissa Kubai and others, University of Wisconsin</h3> <p>&nbsp;</p> <p align="left">Ametropia is a condition in which light from a distant object is not focused accurately on the retina. It is a result of inadequate or excessive refractive power in the components of the optical pathway or because of abnormalities in the shape of the globe. In myopia, light is focused in front of the retina and in hyperopia, it is focused behind. </p> <p align="left">The authors examined eyes from 1,440 dogs from 90 different breeds using streak retinoscopy. Rottweilers, collies, miniature schnauzers and toy poodles were breeds in which the mean refractive state was myopic while in the Australian sheepdog, Alaskan malamute and bouvier des flandres the mean refractive state was hyperopic. The degree of myopia increased with increasing age across all breeds.</p> <p align="left">These results suggest that any dog that will be expected to perform tasks requiring high visual function should be tested before the animal begins intensive training.</p> <p align="left"><em><a target='_blank' href="http://www.avma.org/journals/ajvr/ajvr_index.asp">American Journal of Veterinary Research 69 (7): 946-951</a>.</em></p> <p>&nbsp;</p> <p>&nbsp;</p> <p align="left">Abstract reproduced by kind permission of <em>Veterinary Practice</em> magazine</p> <p>&nbsp;</p> <p>&nbsp;</p> <p align="left"><img src="/resized-image.ashx/__size/550x0/__key/CommunityServer.Wikis.Components.Files/veterinary-research/2605.abstracts_2D00_logo.gif" border="0" alt="" /></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: Ophthalmology, ametropia, Dogs</div> https://www.vetsurgeon.org/w/veterinary-research/78/breed-associated-defects-in-the-ability-to-focus-light-in-canine-eyes/revision/2Mon, 06 Jul 2009 08:27:12 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:08e69848-4699-4130-9157-5c442a92ffa1Arlo Guthriehttps://www.vetsurgeon.org/w/veterinary-research/78/breed-associated-defects-in-the-ability-to-focus-light-in-canine-eyes#commentsRevision 2 posted to Abstracts, Short Communications &amp; Research by Arlo Guthrie on 7/6/2009 8:27:12 AM<br /> <p>&nbsp;</p> <h3 align="left">Melissa Kubai and others, University of Wisconsin</h3> <p>&nbsp;</p> <p align="left">Ametropia is a condition in which light from a distant object is not focused accurately on the retina. It is a result of inadequate or excessive refractive power in the components of the optical pathway or because of abnormalities in the shape of the globe. In myopia, light is focused in front of the retina and in hyperopia, it is focused behind. </p> <p align="left">The authors examined eyes from 1,440 dogs from 90 different breeds using streak retinoscopy. Rottweilers, collies, miniature schnauzers and toy poodles were breeds in which the mean refractive state was myopic while in the Australian sheepdog, Alaskan malamute and bouvier des flandres the mean refractive state was hyperopic. The degree of myopia increased with increasing age across all breeds.</p> <p align="left">These results suggest that any dog that will be expected to perform tasks requiring high visual function should be tested before the animal begins intensive training.</p> <p align="left"><em><a target='_blank' href="http://www.avma.org/journals/ajvr/ajvr_index.asp">American Journal of Veterinary Research 69 (7): 946-951</a>.</em></p> <p>&nbsp;</p> <p>&nbsp;</p> <p align="left">Abstract reproduced by kind permission of <em>Veterinary Practice</em> magazine</p> <p>&nbsp;</p> <p>&nbsp;</p> <p align="left"><img border="0" src="/resized-image.ashx/__size/550x0/__key/CommunityServer.Wikis.Components.Files/veterinary-research/2605.abstracts_2D00_logo.gif" alt="" /></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: dogs, ophthalmology, ametropia</div> https://www.vetsurgeon.org/w/veterinary-research/78/breed-associated-defects-in-the-ability-to-focus-light-in-canine-eyes/revision/1Wed, 17 Jun 2009 19:17:45 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:08e69848-4699-4130-9157-5c442a92ffa1Arlo Guthriehttps://www.vetsurgeon.org/w/veterinary-research/78/breed-associated-defects-in-the-ability-to-focus-light-in-canine-eyes#commentsRevision 1 posted to Abstracts, Short Communications &amp; Research by Arlo Guthrie on 6/17/2009 7:17:45 PM<br /> <p> <h3 align="left">Melissa Kubai and others, University of Wisconsin</h3> </p> <p align="left">Ametropia is a condition in which light from a distant object is not focused accurately on the retina. It is a result of inadequate or excessive refractive power in the components of the optical pathway or because of abnormalities in the shape of the globe. In myopia, light is focused in front of the retina and in hyperopia, it is focused behind. </p> <p align="left">The authors examined eyes from 1,440 dogs from 90 different breeds using streak retinoscopy. Rottweilers, collies, miniature schnauzers and toy poodles were breeds in which the mean refractive state was myopic while in the Australian sheepdog, Alaskan malamute and bouvier des flandres the mean refractive state was hyperopic. The degree of myopia increased with increasing age across all breeds.</p> <p align="left">These results suggest that any dog that will be expected to perform tasks requiring high visual function should be tested before the animal begins intensive training.</p> <p> <p align="left"><em>American Journal of Veterinary Research 69 (7): 946-951.</em></p> <p> <p align="left">Abstract reproduced by kind permission of <em>Veterinary Practice</em> magazine</p> </p> </p> <p align="left"><img border="0" src="/resized-image.ashx/__size/550x0/__key/CommunityServer.Wikis.Components.Files/veterinary-research/2605.abstracts_2D00_logo.gif" alt="" /></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: dogs, ophthalmology, ametropia</div>