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Fundus photography in animals: Fundus photography is a useful tool utilised for veterinary research, veterinary ophthalmology, as well as education. [20] Numerous studies have used it as a research method for the study of ocular and systemic conditions in animals. [21] [full citation needed]
The fundus of the eye is the interior surface of the eye opposite the lens and includes the retina, optic disc, macula, fovea, and posterior pole. [1] The fundus can be examined by ophthalmoscopy [ 1 ] and/or fundus photography .
Baseline color and black and white red-free filtered images are taken prior to injection. The black and white images are filtered red-free (a green filter) to increase contrast and often gives a better image of the fundus than the color image. A 6-second bolus injection of 2-5 cc of sodium fluorescein into a vein in the arm or hand
This amount varies strongly between individuals. People with blue eyes have relatively low melanin in the fundus and thus show a much stronger red-eye effect than people with brown eyes. Red-eye effect on dark brown eyes. The same holds for animals. The color of the iris itself is of virtually no importance for the red-eye effect. This is ...
Color fundus photography is mainly used for staging the disease. Fluorescein angiography is used to assess the extent of retinopathy that aids in treatment plan development. Optical coherence tomography (OCT) is used to determine the severity of edema and treatment response.
Fundus photographs of the left eye (left image) and right eye (right image). 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 disc is located towards the nose. Both optic discs have some pigmentation at the perimeter of the lateral side ...
Even artificial intelligence couldn't make up for flagging consumer demand at Best Buy ().For the 12th consecutive quarter, the retailer posted negative same-store sales growth, down 2.9% year ...
The reflex relies on the transparency of optical media (tear film, cornea, aqueous humor, crystalline lens, vitreous humor) and reflects off the fundus back through media into the aperture of the ophthalmoscope. [2] The red reflex is considered abnormal if there is any asymmetry between the eyes, dark spots, or white reflex .