The American encyclopedia and dictionary of ophthalmology Edited by Casey A Wood, assisted by a large staff of collaborators . ring about a further opacification of the tissues. He,however, did not rely upon this agent alone but, in his artificialripening operation, after an iridectomy, firmly stroked the corneawith a strabismus hook for two or three minutes. There can be nodoubt but that this massage of the lens through the cornea iseffective in many cases. Forster and others have reported manyinstances where six or eight weeks after corneal massage the imma-ture cataract was found to be quit
The American encyclopedia and dictionary of ophthalmology Edited by Casey A Wood, assisted by a large staff of collaborators . ring about a further opacification of the tissues. He,however, did not rely upon this agent alone but, in his artificialripening operation, after an iridectomy, firmly stroked the corneawith a strabismus hook for two or three minutes. There can be nodoubt but that this massage of the lens through the cornea iseffective in many cases. Forster and others have reported manyinstances where six or eight weeks after corneal massage the imma-ture cataract was found to be quite ready for extraction. Pagen- ARTIFICIAL RIPENING OF IMMATURE CATARACT 637 steelier used a glass rod instead of the strabismus hook lor makingthe massage. In any event, after either an iridectomy or a para-centesis the well-cocainized eye should be steadied with fixationforceps and the massage instrument employed to stroke firmly,regularly and slowly, in both radial and circular directions, thewhole cornea. The time occupied should not exceed three Forster pointed out, the main difficulty of the proceeding is. Anterior Chamber Irrigator for Use in the Extraction of Immature Cataract. the proper amount of force to be applied to the cornea; if it is toogreat the zonula of Zinn may be torn and the subsequent extractionbe followed by extreme loss of vitreous. If the massage is toogentle the effect is nil, the lenticular fibers not being disturbed bythe massage. In American literature one finds a number of writers who havereported their experience of various ripening operations. Amongthese are Noyes and Mittendorf, who report their experience ofForsters plan of trituration of the lens; the former rather favor-ably, but the latter has seen iritis follow the procedure and thinksit a dangerous plan. Jackson modified the Forster method byemploying indirect massage of the lens with the upper lid, afteremptying the anterior chamber. Boerne Bettmau was probablythe first to intr
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