Comparative Study of the Optical Biometer for Measurements of the Eye

Inclusion Criteria

• •1. Subjects who can follow the instructions by the Principal/Clinical Investigator or clinical staff at the clinical site, and can visit on scheduled examination dates.
• •2. Subjects who sign an informed consent form to participate in the clinical trial.
• •3. Subjects who agree to take the qualifying eye examination and a series of devices measurements.
• •4. Subjects able to fixate on a target.
• •5. Subjects must meet at lease one of the following criteria:
• •* Normal eyes: Subjects with a natural lens without a cataract, corneal abnormalities or prior keratorefractive surgery.
• •* Eyes with Cataracts: Subjects with a pre-existing cataract without corneal abnormalities or prior keratorefractive surgery.
• •* Eyes without a Natural Lens: Subjects that are pseudophakic or aphakic without corneal abnormalities or prior keratorefractive surgery.
• •* Eyes with Corneal Abnormality: Subjects with a corneal abnormality and a natural lens without a cataract, or Subjects post keratorefractive surgery and a natural lens without a cataract.