Transplantation of a corneal graft
from stored eye of another human being.
Position
Supine.
Anesthesia
General.
Procedure
1. The donor eye is held in
a suitable stand.
2. And
a graft cut from the cornea using a trephine of appropriate size.
3. An
eye speculum inserted.
4. Traction
sutures of synthetic non-absorbable or white silk passed transversely through
the insertions of the superior and inferior rectus muscles.
5. A
fine needle knife is passed into the anterior chamber at the limbus in the
upper temporal quadrant.
6. Sterile
air injected into the anterior chamber.
7. The
surface of the graft is flush with the surrounding cornea.
8. Interrupted
or continuous 0. 2 (10/0) synthetic non-absorbable sutures are inserted to
unite the corneal graft to the host.
Instruments
• Anterior segment set
• Keratoplasty
set
• Scalpel
handle with No. 15 blade
• Support
for donor eye (Tudor Thomas)
• Scissors,
right and left (Troutman)
• Towel
clips (Backhaus), 4
• 1
(4) Synthetic non-absorbable or silk on small half circle, reverse cutting
needle for traction sutures of rectus muscles
• 0.7
(7/0) Synthetic non-absorbable or silk on small curved needle with cutting edge
on concavity of needle point, for cross-over suture to hold graft in place
whilst final sutures are being inserted
• 0.2
(10/0) Synthetic non-absorbable on small curved needle with cutting edge on
convexity of needle point for sutures to secure graft in position.
Any questions be sent to drmmkapur@gmail.com
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