Safety and Efficacy of Tissue Engineered Endothelial Keratoplasty

Inclusion Criteria: Patients who have mild to moderate corneal endothelial decompensation or bullous keratopathy, but with minimal corneal stromal scarring resulting from a variety of conditions including: * Fuchs' endothelial dystrophy * Post-surgical corneal decompensation (irreversible) - all forms of pseudophakic or aphakic bullous keratopathy Exclusion Criteria: * Severe forms or late stage presentation of corneal decompensation with severe corneal stromal scarring, unsuitable for TE-EK surgery as opposed to penetrating keratoplasty * Patients with complex anterior segment complications precluding a successful TE-EK procedure * Patients who have other forms of endothelial dystrophy, traumatic corneal decompensation, or post-inflammatory corneal decompensation * Post-laser iridotomy or glaucoma related corneal decompensation * Patients not keen to participate in the clinical trial * Patients who are below 21 years of age or above 80 years of age * Patients who are pregnant * Patients who are cognitively impaired * Patients who are prisoners * Patients who are allergic to antibiotics