A<unk>  <unk>  is a special kind of intraocular<unk>  that is implanted surgically into the eye to correct myopia (nearsightedness). It is called<unk> " (meaning "having a<unk> ") because the eye's natural<unk>  is left untouched. Intraocular<unk> es that are implanted into eyes after the eye's natural<unk>  has been removed during cataract surgery are known as pseudophakic.<unk> es are indicated for patients with high refractive errors when the usual laser options for surgical correction (LASIK and PRK) are contraindicated.<unk>  IOLs are designed to correct high myopia ranging from −5 to −20 D if the patient has enough anterior chamber depth (ACD) of at least 3 mm. Three types of<unk>  IOLs are available: * Angle-supported * Iris-fixated * Sulcus-supported intraocular<unk>
Phakic intraocular lens
Persistent hyperplastic primary vitreous
Rigid gas permeable lens
Angle-supported intraocular lens
Blast-related ocular trauma
Recurrent corneal erosion
Retinal implant
Intraoperative floppy iris syndrome