Other techniques to correct myopia include photorefractive keratectomy (PRK), radial keratomy (RK), laser epithelial keratomileusis (LASEK), intraocular lens implants and intrastromal corneal rings.
Individuals with intraocular retinoblastoma who do not have trilateral retinoblastoma usually have a good survival rate with a 90 percent chance of disease-free survival for five years.
In most cases, however, retinoblastoma is diagnosed before it spreads past the eye to other parts of the body (intraocular) and the prognosis is quite good.
This system is used to classify intraocular tumors and predict which tumors are favorable enough that sight can be maintained.
Intraocular retinoblastoma-Cancer of the retina that is limited to the eye and has not spread to other parts of the body.
Other therapies are unnecessary if enucleation is used to treat intraocular unilateral retinoblastoma.
An intraocular retinoblastoma may only involve the retina or could involve other parts of the eye.
The accommodative intraocular lens, or IOL, procedure is a new option for those with cataracts or for those who suffer from presbyopia which results in the need for glasses or bifocals to read.
This action, at first sight somewhat obscure, is due to the extreme pupillary contraction which removes the mass of the iris from pressing upon the spaces of Fontana, through which the intraocular fluids normally make a very slow escape from the eye into its efferent lymphatics.
Applied to the conjunctiva it causes anaesthesia, dilatation of the pupil, diminution of the intraocular tension, and some interference with accommodation.