Attached to Dr. Mark E. Warlen, MD's solo American Board of Ophthalmology-certified practice as the in-house optical dispensary, Warlen Optical fabricates prescriptions written in the adjacent exam rooms inside a converted Hillcrest Victorian on Third Avenue. The dispensary handles single-vision, bifocal, progressive, and prescription sunglass orders for patients exiting cataract surgery and glaucoma management visits, with lens selection driven by the in-house exam findings rather than the walk-in retail browsing model used at independent shops including Hillcrest Optical. Lens material options include polycarbonate, high-index 1.67 and 1.74 plastic, photochromic, and premium anti-reflective coatings cut to the ophthalmologist's prescription. Routine refraction-only visits without an underlying medical eye exam are typically routed to general optometry chairs at neighborhood offices including Hillcrest Optometry. The most complex dispensing cases involve post-cataract intraocular lens refraction adjustments paired with progressive addition lenses for patients needing distance, intermediate, and near correction following lens implantation.