Dr. David Johnson and the staff at McCormick Eye Center are ready to meet the vision needs of our patients. As a general ophthalmologist, Dr. Johnson can perform annual or routine eye exams, diagnose and treat or manage diseases of the eye, including cataracts, glaucoma and macular degeneration. Dr. Johnson is a skilled cataract surgeon and has performed thousands of successful cataract procedures on patients right here in the Scottsdale, AZ Valley.