The Heidelberg Engineering ANTERION Anterior Segment Cornea and IOL Precision and Agreement Study

Inclusion Criteria: 1. Age 22 years or older 2. Able and willing to undergo the test procedures, sign informed consent, and follow instructions 3. Able to fixate 4. With the following eye pathology status for the individual eye population: * A. Eye with normal anterior segment and crystalline lens * B. Eye with a cataract of grade 1.5 or higher * C. Eye with abnormal corneal shape * D. Eye with status post-keratorefractive surgery * E. Eye without a crystalline lens Exclusion Criteria: 1. Subjects which were enrolled in the B-2018-1 clinical study 2. Active infection or inflammation in the study eye 3. Insufficient tear film or corneal reflex 4. Physical inability to be properly positioned at the study devices or eye exam equipment 5. Rigid contact lens wear 2 weeks prior to imaging 6. Soft lenses worn within one hour prior to imaging 7. With the following eye pathology status for the individual eye population: * A. Eye meets eligibility criteria for eye populations B, C, D or E * B. Eye meets eligibility criteria for eye populations C,D or E * C. Eye meets eligibility criteria for eye populations D or E * E. Eye with abnormal corneal shape (except status post-keratorefractive surgery)