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Canine cataract surgery involves small incisions in the cornea. The process is more intensive than in human cataract surgery, mainly due to the larger lens area in dogs than in humans which requires more power to break up the cataract, the need for general anesthesia, and post-operative care that involves anti-inflammatory medication and eye drops.
Normal intraocular pressure in dogs can ranges from 12 to 25 mmHg (1.6 to 3.3 kPa), and both eyes should be similar in pressure. Gonioscopy is a diagnostic procedure to examine the angle of the anterior chamber. Direct and indirect ophthalmoscopy is necessary to evaluate the retina and particularly the optic nerve.
Italian Greyhound – occurs in young dogs and is focal. Lhasa Apso – oval appearance. Mastiff – oval appearance. Miniature Pinscher – occurs at one to two years of age and is oval. Norwich Terrier – peripheral cornea. Pembroke Welsh Corgi – occurs in young dogs and can include blood vessels and pigmentation. Pointer – gray, hazy ring.
Chronic superficial keratitis (CSK), also known as pannus or Uberreiter's disease, is an inflammatory condition of the cornea in dogs, particularly seen in the German Shepherd. Both eyes are usually affected. The corneas gradually become pigmented and infiltrated by blood vessels, and the dog may eventually become blind.
Corneal pachymetry is the process of measuring the thickness of the cornea.A pachymeter is a medical device used to measure the thickness of the eye's cornea.It is used to perform corneal pachymetry prior to refractive surgery, for Keratoconus screening, LRI surgery [1] and is useful in screening for patients suspected of developing glaucoma among other uses.
Visual acuity with Near chart without correctors Visual acuity with eye chart at Near 15.7 inches (400 mm) and without (sc: Latin sine correctore) correctors (spectacles); Ncc is with (cc: Latin cum correctore) correctors. See Visual_acuity#Legal_definitions: VA OS Left visual acuity VA OD Right visual acuity VDU Visual display unit VF Visual field
Landolt C optotypes in various sizes and orientations Landolt C optotype dimensions Golovin–Sivtsev table. The Landolt C, also known as a Landolt ring, Landolt broken ring, or Japanese vision test, is an optotype: a standardized symbol used for testing vision.
Sudden acquired retinal degeneration syndrome (SARDS) is a disease in dogs causing sudden blindness. It can occur in any breed, but female dogs may be predisposed. [1] Approximately 4000 cases are seen in the United States annually. [2]