- Any other medical condition, which, in the Investigator's judgment, will interfere with the patient's ability to comply with the protocol, compromises patient safety, or interferes with the interpretation of the study results.corneal dystrophies of any type, in a stage which either could be prevented in progression (with best corrected visual acuity superior to 0.6) or with indication for keratoplasty (best corrected visual acuity <0.2). The cases should not have defects in corneal transparency which would lead to vision of 0.05 or less or severe corneal optical deformation (in the case of keratoconus).