Costco Vision Center at the Chula Vista warehouse on Broadway provides members-only optical dispensing, stocking frames from Kirkland Signature alongside name brands and fabricating single-vision, bifocal, and progressive lenses on site. Specialty contact lens orders for multifocal and toric designs include brands from Acuvue, CooperVision, Bausch + Lomb, and Alcon, with Eastlake Optometry handling the clinical fitting and prescription origination for patients who then purchase their annual lens supply through the warehouse's bulk pricing model. The optical department fills prescriptions from any licensed provider and adjusts frames at no additional charge, serving the same Costco Chula Vista foot traffic that makes the warehouse one of the most-searched retail anchors in the South Bay. Patients whose comprehensive exams reveal early diabetic retinopathy or periodontal complications of unmanaged blood sugar may simultaneously schedule preventive dental care at Perfect Smiles California, addressing the dual oral-ocular impact of systemic glucose dysregulation. Digital lens surfacing equipment cuts free-form progressive designs to patient-specific corridor lengths and near-zone widths calculated from individual pupil height and frame wrap-angle measurements.