1 A chiropractor may want to visit your horse more than once. 2  Depending on the problem, additional visits may be necessary every week or month. 3  Acupuncture and injections can cost anywhere from $15 to $55 extra. 4  If a chiropractor session does not help your horse, x-rays or additional testing may be recommended. Depending on the problem, additional visits may be necessary every week or month. 2  Acupuncture and injections can cost anywhere from $15 to $55 extra. 3  If a chiropractor session does not help your horse, x-rays or additional testing may be recommended.
Photic retinopathy. Photic retinopathy is damage to the eye's retina, particularly the macula, from prolonged exposure to solar radiation or other bright light, e.g. lasers or arc welders. The term includes solar, laser, and welder's retinopathy and is synonymous with retinal phototoxicity.
Retinal detachment usually happens because there's a tear (hole) in the retina. The most common cause of a tear is posterior vitreous detachment (PVD). Vitreous gel fluid flows through the tear, pools beneath the retina, and lifts the retina off the back of the eye.Retinal detachment can also happen without a retinal tear. Scar tissue buildup in the eye may pull on the retina. This is called traction.he most common cause of a tear is posterior vitreous detachment (PVD). Vitreous gel fluid flows through the tear, pools beneath the retina, and lifts the retina off the back of the eye. Retinal detachment can also happen without a retinal tear. Scar tissue buildup in the eye may pull on the retina.