Donor Cornea Evaluation
Donor Cornea Evaluation - Related Videos
08:37
Corneal Donor Tissue Preparation for Endothelial Keratoplasty
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Cited by 31 •
2012
Endothelial corneal transplantation is a surgical technique for treatment of posterior corneal diseases. Mechanical microkeratome dissection to prepare tissue results in thinner, more symmetric grafts with less endothelial cell loss and improved outcomes. Dissections can be performed at the eye bank prior to corneal transplantation surgery.
14:58
A Simplified Technique for In situ Excision of Cornea and Evisceration of Retinal Tissue from Human Ocular Globe
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Cited by 7 •
2012
The paper describes a simplified technique to excise corneal and to eviscerate retinal tissues from the ocular globe of human cadaveric donors. The technique described here will help to excise good quality tissues to be used for transplantation, surgical or research purposes without damaging other tissues of the ocular globe.
07:17
Single Port Donor Nephrectomy
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Cited by 5 •
2011
Single port laparoscopic surgery is changing the standard of care in surgical care like nothing since the laparoscopic technique was introduced 20 years ago. We present out technique of single port donor nephrectomy using the Gelpoint device. We have successfully performed this surgery in 100 patients.
06:13
A Mouse Model of the Cornea Pocket Assay for Angiogenesis Study
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Cited by 20 •
2011
The cornea is unique in that it lacks vascular tissues. However, robust blood vessel growth and survival can be induced in the cornea by potent angiogenic factors. Therefore, the cornea can provide with us a valuable tool for angiogenic studies. This protocol demonstrates how to perform the mouse model of cornea pocket assay and how to assess the angiogenesis induced by angiogenic factors using this model.
01:55
Assessment of Cornea and Tear Smoothness in an Autoimmune Dry Eye Rat Model
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2025
This video demonstrates a method for assessing corneal smoothness and tear film stability in an autoimmune rat model. It highlights the impact of gland dysfunction on tear film stability, crucial for understanding dry eye disease.
FAQs
Endothelial cell density and morphology provide evidence about the tissue’s capacity to maintain corneal clarity after transplantation. Specular microscopy allows evaluators to examine these cellular features alongside structural findings from slit-lamp examination. Corneas showing endothelial dysfunction can therefore be distinguished from tissue with more favorable cellular characteristics, supporting evidence-based graft selection.
These examinations address different aspects of tissue quality. Slit-lamp examination reveals structural damage or other visible abnormalities, whereas specular microscopy characterizes endothelial cell density and morphology. Considering both results prevents evaluation from relying on a single feature and helps identify corneas in which visible integrity and endothelial performance may not be equally satisfactory.
A cornea may appear structurally suitable yet still require scrutiny for potential infectious risk. Donor medical-history review is interpreted together with microbiological and serological testing to identify concerns that examination alone cannot establish. This combined assessment is especially important in infection-focused transplantation research because tissue suitability includes both physical condition and safety considerations.
The workflow begins with review of the donor’s medical history, followed by examination of the tissue with a slit lamp. Specular microscopy then assesses endothelial cell density and morphology, while microbiological or serological testing addresses potential infectious risks. Results from these complementary assessments are integrated to determine whether the cornea is suitable for transplantation.
Graft selection uses the combined evidence rather than a single measurement. Structural damage, endothelial dysfunction, contamination concerns, and relevant donor-history findings can each affect whether tissue is considered suitable. This decision process helps match available corneas with transplantation requirements, reduces the likelihood of using compromised tissue, and supports safer keratoplasty.
The evaluation provides a defined starting point for studying what happens after transplantation. By documenting tissue condition and potential infectious risks before graft use, researchers can relate later host immune responses or transplant-related complications to the original graft characteristics. The resulting records therefore support both clinical safety decisions and investigation of disease mechanisms surrounding keratoplasty.