Glaucoma ducts, and narrowing or closure of the angle between the iris and cornea. The primary division in categorizing different types of glaucoma is open-angle and closed-angle (or angle-closure) glaucoma. In open angle glaucoma, the iris meets the cornea normally, allowing the fluid from inside the eye to drain, thus relieving the internal pressure. Where this angle is narrowed or closed, pressure increases over time, causing damage to the optic nerve, leading to blindness. Primary open-angle glaucoma (also, "primary glaucoma", "chronic glaucoma") refers to slow clogging of the drainage canals resulting in increased eye pressure which causes progressive optic nerve damage.
Henneke horse body condition scoring system for most horses is from 4 to 6. The system is based on both visual appraisal and palpable fat cover of the six major points of the horse. The system is used by law enforcement agencies as an objective method of scoring a horse's body condition in horse cruelty cases. The Henneke scale describes body condition scores as follows: The average horse is healthiest with a body condition score between 5 and 6, which indicate that the horse has a proper balance of feed to exercise. An easy keeper or hard keeper should be watched closely as they are prone