Trial Parameters
Brief Summary
This study involves collecting biometry and aberration data using the next generation biometer, Unity DX.
Eligibility Criteria
Inclusion Criteria: * Able to understand and sign an IRB/IEC approved consent form; * Willing and able to attend study visit(s) as required by the protocol; * Consenting age at the jurisdiction of study site; * Other group-specific, protocol required inclusion criteria may apply. Exclusion Criteria: * Women of child-bearing potential; * Unable to fixate due to nystagmus or other eye movement abnormality (e.g., significant strabismus); * Unclear optical media preventing data capture from all devices in the study; * Contraindicated for pupil dilation (e.g., narrow angles, allergies) per investigator's clinical judgment; * Any ocular disease and/or condition that, in the investigator's clinical judgment, may put the subject at significant risk, may compromise study results, or may interfere significantly with the subject's participation in the study; * Other group-specific, protocol required exclusion criteria may apply.