The ideally perfect cataract extraction should consist of a method involving a minimum of risk, without sequelæ demanding subsequent interference to obtain good vision.
The extraction of the opaque lens within its capsule appeals to us all, but the consensus of opinion regards this operation as not safe as a routine method. Most ophthalmic surgeons extract cataracts without the capsule, leaving the latter to cause subsequent operative measures necessary in the majority of cases.
Various capsular forceps have been devised to obviate the formation of secondary cataracts. With the forceps the attempt is made to remove the anterior capsule within the area of the pupil, so as to secure a clear opening after the removal of the opaque lens. I have never been able to satisfy myself that the forceps had rendered subsequent secondary cataracts less numerous than when the cystotome had been used, but this may have been the
CALLAN PA. OPERATIONS FOR SECONDARY CATARACT.. JAMA. 1907;XLVIII(25):2087-2090. doi:10.1001/jama.1907.25220510005001b