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Deep Anterior Lamellar Keratoplasty Using Dehydrated Versus Standard Organ Culture Stored Donor Corneas

The objective of this study is to assess the outcomes between deep anterior lamellar keratoplasty using dehydrated versus standard organ culture stored donor corneas.

Safety and Effectiveness of the PXL-Platinum 330 System

To evaluate the safety and effectiveness of the PXL Platinum 330 system for performing corneal cross-linking (CXL) for the treatment of ectatic disorders.

Agreement and Accuracy of Different Devices Corneal Measurements

To compare repeatability, reproducibility and agreement of both, AS- OCT and Scheimpflug imaging, for the measurement of corneal curvature and corneal thickness in patients with keratoconus.

Dresden Corneal Disease and Treatment Study

The purpose of this study is long-term follow up of patients with corneal diseases to analyze the quality of surgical interventions and diagnosis. Corneal ectasia, especially keratoconus, is a corneal disease that leads to an irreversible loss of visual acuity while the cornea becomes steeper, thinner and irregular.