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It was suggested that dogs who fly bite were biting at floaters in their vision. [10] No research exists to substantiate this association. Later publications suggest eye disease is unlikely to be the cause of fly biting. [2] [5] The Canine Epilepsy Project has looked for floaters in the eyes of many fly biting dogs without finding any. [5]
So, a dog age 2 is equivalent to a human age 24, while a dog age 10 is equivalent to a human age 64. This is more accurate but still fails to account for size/breed, which is a significant factor. Size- or breed-specific calculators — These try to factor in the size or breed as well. These are the most accurate types.
Dr. Sastry says that people of any age can have eye floaters. "However, persistent floaters during all lighting conditions would not be expected in patients younger than age 50." Dr. Sastry says.
Asteroid hyalosis is a degenerative condition of the eye involving small white opacities in the vitreous humor. [1] It is known to occur in humans, dogs, cats, horses, and chinchillas. [2] Clinically, these opacities are quite refractile, giving the appearance of stars shining in the night sky—except that ocular asteroids are often quite mobile.
“Cherry eye is a common eye condition in dogs where a gland in the third eyelid pops out and swells up, making it look like a red, swollen ‘cherry’ in the corner of the eye,” says Dr. Hood.
Floaters are, in fact, visible only because they do not remain perfectly fixed within the eye. Although the blood vessels of the eye also obstruct light, they are invisible under normal circumstances because they are fixed in location relative to the retina, and the brain "tunes out" stabilized images through neural adaptation. [3]
However, researchers recently carried out a study looking at the effects of an age-reversal pill on dogs, and – while it might sound like something from a sci-fi movie ...
Peripheral (posterior) vitreous detachment occurs when the gel around the eye separates from the retina. This can naturally occur with age. However, if it occurs too rapidly, it can cause photopsia which manifests in flashes and floaters in the vision. Typically, the flashes and floaters go away in a few months.