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There are two techniques used to assess the red reflex listed below. Both are noninvasive, inexpensive, and quick. Dilation of the eyes is unnecessary and not recommended due to the theoretical but rarely seen risks of sympathomimetics and antimuscarinic systemic effects – tachycardia (fast heart rate), hypertension (high blood pressure), and arrhythmia (abnormal heart rhythm).
Normal fundus photographs of the left eye (left image) and right eye (right image), seen from front so that left in each image is to the person's right. Each fundus has no sign of disease or pathology. The gaze is into the camera, so in each picture the macula is in the center of the image, and the optic disk is located towards the nose. Both ...
An ophthalmoscopic view of the retina showing advanced signs of diabetic retinopathy including two pale cotton wool spots. Cotton wool spots are opaque fluffy white patches on the retina of the eye that are considered an abnormal finding during a funduscopic exam (also called an ophthalmoscopic exam). [1]
The right image (right eye) shows lighter areas close to larger vessels, which has been regarded as a normal finding in younger people. There are two major types of ophthalmoscopy: direct ophthalmoscopy , which produces an upright (unreversed) image of approximately 15× magnification
Image credits: dogswithjobs There’s a popular saying that cats rule the Internet, and research has even found that the 2 million cat videos on YouTube have been watched more than 25 billion ...
The left image (right eye) shows lighter areas close to larger vessels, which has been regarded as a normal finding in younger people. A fundus photo , showing the optic disc as a bright area on the right where blood vessels converge.
Gene Hackman has been found dead, aged 95, in his Santa Fe home along with his wife Betsy Arakawa, 63, and one of their pet dogs.. According to a police search warrant, the actor, his wife and ...
Dogs have ear mobility that allows them to rapidly pinpoint the exact location of a sound. Eighteen or more muscles can tilt, rotate, raise, or lower a dog's ear. A dog can identify a sound's location much faster than a human can, as well as hear sounds at four times the distance. [41] Dogs can lose their hearing from age or an ear infection. [42]