| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |
|---|---|
| PCL | pacing cycle length; persistent corpus luteum; plasma cell leukemia; posterior chamber lens; posteri... |
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| PICA | percutaneous transluminal coronary angioplasty; Porch Index of Communicative Abilities; posterior in... |
| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
| cataract extraction | <ophthalmology> The surgical removal of a cataract from the eye to improve vision. An artificial intraocular lens may then be implanted. Approximately 10 weeks are required for complete recovery and healing. (16 Mar 1998) |
|---|---|
| cataract lens | Any lens prescribed for aphakia. (05 Mar 2000) |
| cataract needle | A very narrow, needle-pointed knife used in discission of a cataract. Synonym: cataract needle. (05 Mar 2000) |
| cataract-oligophrenia syndrome | <syndrome> A rare neurologic disorder characterised by cerebellolental degeneration with mental retardation; autosomal recessive inheritance. Synonym: cataract-oligophrenia syndrome, Marinesco-Sjogren syndrome, Torsten Sjogren's syndrome. (05 Mar 2000) |
| cataract spoon | A small concave instrument for removing a cataractous lens. (05 Mar 2000) |
| mature cataract | A cataract in which both the nucleus and cortex are opaque. Synonym: complete cataract, ripe cataract. (05 Mar 2000) |
| glassworker's cataract | A cataract secondary to absorption of heat by the lens, or by transmission from the adjacent iris. Synonym: furnacemen's cataract, glassworker's cataract. (05 Mar 2000) |
| glaucomatous cataract | A nuclear opacity usually seen in absolute glaucoma. (05 Mar 2000) |
| central cataract | Congenital cataract limited to the embryonic nucleus. (05 Mar 2000) |
| cerulean cataract | A congenital cataract with bluish colouring and radial lesions; appears to be at least sometimes autosomal dominant. (05 Mar 2000) |
| membranous cataract | A secondary cataract composed of the remains of the thickened capsule and degenerated lens fibres. (05 Mar 2000) |
| perinuclear cataract | A lamellar cataract in which the nucleus is clear but is surrounded by a ring of opacity. (05 Mar 2000) |
| peripheral cataract | A cataract in which the opacity affects the cortex of the lens. Synonym: peripheral cataract. (05 Mar 2000) |
| gray cataract | A cataract of gray colour, usually seen in senile, mature, or cortical cataract. (05 Mar 2000) |
| ripe cataract | A cataract in which both the nucleus and cortex are opaque. Synonym: complete cataract, ripe cataract. (05 Mar 2000) |