Pmma

Manufacturer

DORC1

Ocular instruments2

A third device, the Aachen keratoprosthesis, has also been used on a temporary basis [3] a Provides 2.3x magnification and 30° field of static view b Limited because the sutures eventually destroy the rim of the device

1 Zuidland, The Netherlands

2 Bellevue, Washington

A third device, the Aachen keratoprosthesis, has also been used on a temporary basis [3] a Provides 2.3x magnification and 30° field of static view b Limited because the sutures eventually destroy the rim of the device

1 Zuidland, The Netherlands

2 Bellevue, Washington

O Pitfall

Timing is a critical issue. There is no rational reason to delay TKP vitrectomy for weeks; if intense topical corticosteroid therapy is employed after the initial surgery (see Chap. 1.8), surgery can be scheduled as early as a few days post-injury. The ideal time to perform TKP vitrectomy is within a few days, not after 3 weeks.

2.15.3.1.1 The Surgeon

Depending on how (sub)specialized ophthalmology in the particular country is, TKP vitrectomy may be performed by a single individual from start to finish, or by two teams, an "anterior" and a "posterior" (Table 2.15.2). If a single surgeon performs the entire operation, he or she must be a vitrec-tomy specialist who is also experienced in anterior segment surgery, not the other way around: the major difficulty of surgery lies in dealing with

Table 2.15.2 Approaches to TKP vitrectomy. AS anterior segment surgeon, PS posterior segment surgeon

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