Comparative Study of the Tomey OA-2000, Tomey CASIA2, and the LenStar LS900

Inclusion Criteria - Normal Cohort: 1. Male or female subjects 22 years of age or older who have full legal capacity to volunteer on the date the informed consent is signed; 2. Subjects who can follow the instructions by the clinical staff at the clinical site, and can attend examinations on the scheduled examination date; 3. Subjects who agree to participate in the study. Inclusion Criteria - Cataract Cohort: 1. Male or female subjects 22 years of age or older who have full legal capacity to volunteer on the date the informed consent is signed; 2. Subjects who can follow the instructions by the clinical staff at the clinical site, and can attend examinations on the scheduled examination date; 3. Subjects who agree to participate in the study; 4. Subjects diagnosed with cataract classified per the LOCS III scale. Inclusion Criteria - Special Eyes Cohort (eyes without a natural lens or eyes containing artificial materials): 1. Male or female subjects 22 years of age or older who have full legal capacity to volunteer on the date the informed consent is signed; 2. Subjects who can follow the instructions by the clinical staff at the clinical site, and can attend examinations on the scheduled examination date; 3. Subjects who agree to participate in the study; 4. Subjects diagnosed with one or both eyes having aphakia, pseudophakia or silicone oil. Exclusion Criteria - Normal Cohort: 1. Subjects unable to tolerate ophthalmic imaging; 2. Subjects who did not take off their contact lenses earlier than 15 minutes prior to the study; 3. Subjects with any current ocular pathology, as determined by self-report and confirmed by the investigator assessment and/or confirmed by the investigator assessment at the study visit; 4. Subjects that present with an active ocular infection in either eye; 5. Subjects who have a history of ocular surgery, including laser therapy/surgery; 6. Subjects with a condition or in a situation which the investigator feels may put the subject at significant risk, may confound the study results, or may interfere significantly with the subject's participation in the study. Exclusion Criteria - Cataract Cohort: 1. Subjects unable to tolerate ophthalmic imaging; 2. Subjects who did not take off their contact lenses earlier than 15 minutes prior to the study; 3. Subjects with corneal or conjunctival abnormalities that may affect adequate assessment of the anterior chamber in either eye; 4. Subjects that present with an active ocular infection in either eye; 5. Subjects who have a history of ocular surgery, including laser therapy/surgery; 6. Subjects with a condition or in a situation which the investigator feels may put the subject at significant risk, may confound the study results, or may interfere significantly with the subject's participation in the study. Exclusion Criteria - Special Eyes Cohort (eyes without a natural lens or eyes containing artificial materials): 1. Subjects unable to tolerate ophthalmic imaging; 2. Subjects who did not take off their contact lenses earlier than 15 minutes prior to the study; 3. Subjects with corneal or conjunctival abnormalities that may affect adequate assessment of the anterior chamber in either eye; 4. Subjects that present with an active ocular infection in either eye; 5. Subjects with a condition or in a situation which the investigator feels may put the subject at significant risk, may confound the study results, or may interfere significantly with the subject's participation in the study; 6. Subjects with evidence of silicone oil emulsification; 7. Subjects with silicone oil in the anterior chamber; 8. Subjects with adherence of oil droplets to an intraocular lens.