Biomedical subjects
Publications and source records attributed to R H Keates.
The advantages and disadvantages of various anterior chamber lenses are presented and compared. In addition, a tendency is detailed to illustrate the increasing frequency of too small a lens being inserted as an operative complication. Lastly, the early results of the new Kelman anterior chamber lens are presented.
Bone formation occurred in periosteal graft that was used to anchor a Cardona keratoprosthesis.
The development of various intraocular lenses will be described, and implantation of anterior chamber-type lenses will be discussed.
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A study of the bacteriological safety of McCarey-Kaufman (M-K) media was undertaken. Twenty-five consecutive cultures of M-K media with a standard penicillin-streptomycin additive were performed at the time of keratoplasty. All cultures were negative, confirming the clinical safety of this media.
Nine patients with severe keratoconus who were ready for penetrating keratoplasty underwent thermokeratoplasty with profound flattening of the cornea at the time of surgery. Keratometer readings returned to pretreatment levels in seven of the nine patients. Two patients have avoided penetrating keratoplasty due to improved contact lens fit following thermokeratoplasty despite the return of corneal steepness. Subsequent penetrating keratoplasty in five patients has been uneventful with all grafts remaining clear to date four to eight months postoperatively.
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