Peer-reviewed veterinary case report
How to evaluate your dog's or cat's cornea with SD-OCT?
By Famose, Frank·Published in Veterinary ophthalmology·2014·Service d'Ophtalmologie, France·View original on PubMed →
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Original publication title: Assessment of the use of spectral domain optical coherence tomography (SD-OCT) for evaluation of the healthy and pathological cornea in dogs and cats.
Plain-English summary
A group of dogs and cats underwent a special eye exam using a technology called optical coherence tomography (OCT) to check for various corneal (the clear front part of the eye) problems. This included issues like corneal ulcers, infections, and foreign bodies. The OCT allowed veterinarians to see detailed images of the cornea without touching it, which is helpful for diagnosing conditions. While the technique was effective, it required sedation for the best results, and some images were less clear in pets with darker or thicker corneas. Overall, this method provided valuable insights into eye health for pets.
People also search for: dog eye problems · cat corneal ulcer treatment · optical coherence tomography for pets
Abstract
PURPOSE: Morphologic evaluation of the cornea is based on the slit-lamp examination. In human ophthalmology, optical coherence tomography (OCT) has opened a new field in the clinical approach to anterior segment disorders and more specifically the cornea. The aim of our study is to describe spectral domain OCT examination of the cornea in dogs and cats in clinical practice conditions. MATERIAL AND METHODS: One hundred eyes were examined from 52 dogs and 41 cats presented to a private practice referral center with an Optovue iVue SD-OCT device. Sixteen healthy animals were used as control group, and the others were examined for various corneal conditions. All animals were examined after sedation or anesthesia. RESULTS: Normal and pathological aspects of canine and feline cornea were described for various conditions such as corneal ulcers, microbial keratitis, corneal sequestrum, infiltrations, foreign bodies, corneal dystrophies, and surgical conditions. CONCLUSION: SD-OCT examination of normal and pathological corneal conditions in dogs and cats gave an accurate evaluation of each component of the cornea. The advantage of the technique is the in vivo, real-time evaluation of all corneal layers with the absence of corneal contact. Constraints included the necessity of sedation for precise focus and the low quality of images obtained with too pigmented or thickened corneas.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23356688/