Glaucoma is a term used to describe several types of eye conditions that affect the optic nerve. In most cases, damage to the optic nerve is caused by increased pressure in the eye, also known as intraocular pressure (IOP).Glaucoma can cause partial vision loss, with blindness as a possible eventual outcome.laucoma is a term used to describe several types of eye conditions that affect the optic nerve. In most cases, damage to the optic nerve is caused by increased pressure in the eye, also known as intraocular pressure (IOP).
Kittens should be spayed or neutered when they reach sexual maturity, which is usually between four and six months of age. However a cat can be safely spayed or neutered at any age, so even older adopted cats should have this procedure.
It is best to wait until the kitten is 4-6 months old, although many vets will spay much earlier. Kittens should be spayed and neutered before they reach sexual maturity, whicâ¦h happens around 6 months old. The average age of spaying/neutering is about 4 months, but it can  be done as soon as 8 weeks, while some vets suggest to wait until  the kitten is 6 months old.