A portable microkeratome-based anterior corneal surface harvesting device

Melvin A. Sarayba, Li Li, Paula M. Sweet, Roy S. Chuck

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Purpose. To determine the reproducibility of anterior sclerokeratectomy using a portable nonelectric microkeratome-based device capable of harvesting the entire anterior corneal surface for lamellar transplantation. Methods. A modified gas turbine-driven microkeratome (LSK One, Moria/Microtech, Doylestown, PA) with a redesigned head large enough to incorporate the whole human anterior corneal surface in a pass and was coupled to a manual vacuum pump. This instrument was tested on 25 fresh porcine globes divided into 2 groups (170-μm and 200-μm head). To assess cut reproducibility the physical dimensions (diameter and thickness) of the obtained lenticules were measured. Results. The obtained lenticules were fairly circular (horizontal versus vertical diameters, p >0.2), with average diameters of 12.85 ± 0.52 mm and 13.25 ± 1.15 mm for the 170 and 200-μm heads, respectively. The average central lenticule thickness was 176.92 ± 34.68 μm and 166.00 ± 53.74 μm for the 170 and 200-μm heads, respectively. Conclusion. This new system presents an economical and portable alternative to electric-powered systems. In addition to being used by surgeons in the operating room, eye bank technicians in the field could theoretically use this system; including in developing countries where cost, availability of electricity, and portability are issues.

Original languageEnglish (US)
Pages (from-to)589-591
Number of pages3
JournalCornea
Volume21
Issue number6
DOIs
StatePublished - 2002
Externally publishedYes

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Head
Equipment and Supplies
Eye Banks
Electricity
Operating Rooms
Vacuum
Developing Countries
Swine
Transplantation
Gases
Costs and Cost Analysis

Keywords

  • Corneal transplant
  • Limbal stem cell
  • Microkeratome

ASJC Scopus subject areas

  • Ophthalmology

Cite this

A portable microkeratome-based anterior corneal surface harvesting device. / Sarayba, Melvin A.; Li, Li; Sweet, Paula M.; Chuck, Roy S.

In: Cornea, Vol. 21, No. 6, 2002, p. 589-591.

Research output: Contribution to journalArticle

Sarayba, Melvin A. ; Li, Li ; Sweet, Paula M. ; Chuck, Roy S. / A portable microkeratome-based anterior corneal surface harvesting device. In: Cornea. 2002 ; Vol. 21, No. 6. pp. 589-591.
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