Dr. Michael G. Kwok

Dr. Michael Kwok graduated from Salus University, formerly known as the Pennsylvania College of Optometry. Dr Kwok brings over 12 years’ experience to Sterling Optical. His professional experience revolves around the use of the latest optical technology, including retinal photography and the latest in contact lenses.  Dr. Kwok is also able to prescribe and recommend the newest in digital progressive lenses and anti-reflective coatings in glasses, including blue light filters to help protect eyes from the effects of electronic devices.




Dr. Heidi Guirguis

Dr. Heidi Guirguis graduated with a Doctorate in Optometry and a Bachelor’s of Science in Vision Science from Nova South Eastern University – College of Optometry in 2006. Dr. Guirguis brings 12 years of clinical experience to Sterling Optical, in various fields of Optometry, including the latest technology in contact lens fitting, refracting & prescribing of spectacle lenses, thorough evaluation of ocular health, consultation and education on various laser vision correction techniques, as well as different implant options for patients considering cataract surgery.


To make an appointment with Dr. Kwok or Dr. Guirguis, call (540) 650.5002.


See our doctor's hours below:

  • Doctor's hours vary. Please call 540.650.5002 to inquire and schedule.