DY002: Safety and Effectiveness of DYME as an Agent for Selective Staining of the Anterior Capsule During Cataract Surgery

Inclusion Criteria:

• Have a cataract sufficiently opaque/mature/brunescent that, in the surgeon'sassessment,a dye could facilitate surgery;

• Be aged at least 18 years old at the time of enrollment;

• Be in a medical condition suitable for cataract surgery;

• Able and willing to participate in study examinations and visit schedule; and

• Understand and freely consent to participate in the study.

Exclusion Criteria:

• In either eye, ocular infection or inflammation within the past 3 months;

• Known allergy to BBG 250;

• Uncontrolled intercurrent diseases including, but not limited to, ongoing or activeinfection, symptomatic congestive heart failure, unstable angina pectoris, or cardiacarrhythmia;

• Active treatment for cancer or systemic infection within the past month;

• Active treatment with systemic corticosteroids within the past month;

• Previous participation in this Study for the contralateral eye;

• Participation in another clinical trial involving an investigational therapeuticduring the past 30 days or 5.5 half-lives (if applicable), whichever is longer;

• Unwillingness to participate in the study or inability to give informed consent; or

• Any medical condition that in the opinion of the Investigator may compromise theresearch subject's safety or ability to participate in the study.