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Updated: Jul 10, 2026

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Combination of Microstereolithography and Electrospinning to Produce Membranes Equipped with Niches for Corneal Regeneration
Published on: September 12, 2014
[Amniotic membrane transplantation. An indispensable therapy option for persistent corneal epithelial defects]
1Klinik für Augenheilkunde, Universitätsklinikum des Saarlandes UKS, Kirrbergerstrasse 1, Gebäude 22, 66421 Homburg/Saar. berthold.seitz@uks.eu
Summary
Cryopreserved amniotic membrane transplantation (AMT) effectively treats persistent corneal defects and ulcers, offering advantages over keratoplasty. The sandwich technique shows superior outcomes for corneal epithelial integration and reduced recurrence rates.
Area of Science:
- Ophthalmology
- Regenerative Medicine
- Tissue Engineering
Context:
- Cryopreserved amniotic membrane transplantation (AMT) is a widely used therapy for persistent corneal epithelial defects.
- Early consideration of AMT for persistent corneal ulcers can prevent the need for emergency keratoplasty or conjunctival flaps.
Purpose:
- To evaluate the efficacy and integration patterns of amniotic membrane (AM) grafts in the human cornea using different microsurgical techniques.
- To compare the outcomes of the sandwich technique versus solitary graft or patch techniques for AMT.
Summary:
- Microsurgical techniques influence AM integration into the cornea, with the sandwich technique demonstrating advantages in primary success and recurrence rates.
- Corneal infections are rare but possible complications following AMT; phosphate-containing eye drops should be avoided postoperatively to prevent calcification.
- AMT offers numerous benefits when used before, instead of, during, or after keratoplasty.
Impact:
- AMT presents a valuable alternative or adjunct to keratoplasty for various corneal conditions.
- Successful AMT outcomes depend on the microsurgical technique employed and the systemic management of underlying diseases.

