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Eyecare Doctors in Lowell

Enjoy Clear & Healthy Vision For a Lifetime

Meet our Eye Doctors

Joshua Cherng
Joshua Cherng O.D.

Joshua Cherng, O.D., received his Doctor of Optometry from the Illinois College of Optometry. He earned his Bachelor of Science in Biology from Washington State University. Originally from the Pacific Northwest, Dr. Cherng is focused on…

Steven P. Sikalis
Steven P. Sikalis O.D.
Language: English
  • Accepting New Patients
  • Family Friendly
  • In Person Appointments
  • Professional Certification

Steven P. Sikalis, O.D., received his Doctor of Optometry from the New England College of Optometry. He earned his Bachelor of Science in Biology from Boston College. While studying Biology, Dr. Sikalis understood the workings of the…

Stephen Harney
Stephen Harney O.D., FAAO
Language: English
  • Accepting New Patients
  • Family Friendly
  • In Person Appointments
  • Professional Certification

Stephen J. Harney, O.D., F.A.A.O., received his Doctor of Optometry from the New England College of Optometry in 1978. He earned his Bachelor of Arts in Biology from Saint Anselm College in Manchester, New Hampshire, in 1974. He did…

Christopher Karalekas
Christopher Karalekas O.D.
Language: English
  • Accepting New Patients
  • Family Friendly
  • In Person Appointments
  • Professional Certification

Christopher Karalekas, O.D. (“Dr. K”) received his Doctor of Optometry from the New England College of Optometry in 1994. He earned his Bachelor of Science cum laude in Biology from Providence College in 1990. Dr. K completed…

Madison Helms
Madison Helms O.D.
Language: English
  • Accepting New Patients
  • Family Friendly
  • In Person Appointments

Dr. Madison Helms, O.D., received her Doctor of Optometry degree in 2025. She earned her undergraduate degree in Health Sciences with a minor in Pre-Clinical Studies from Assumption University in 2021. She completed her Ocular Disease…

Patient Reviews

4.5
210 Reviews
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Michelle W.- Nov 3, 2026
If you are looking for a patient and thorough Eye Doctor, Dr. Madison Helms is highly recommended. S... he explains everything and gives you a comprehensive exam. Addresses all questions and does not rush the process. Wonderful Doctor.
Rosemary A.- Oct 23, 2026
Wonderful

Location & Opening Hours

Advanced EyeCare Associates office building at 850 Chelmsford Street.
Photograph of Joshua Cherng
Hours
  • Monday 8:00 am - 5:00 pm
  • Tuesday 8:00 am - 5:00 pm
  • Wednesday 8:00 am - 5:00 pm
  • Thursday 8:00 am - 12:00 pm
    1:00 pm - 5:00 pm
  • Friday 8:00 am - 4:00 pm
  • Saturday Closed
  • Sunday Closed
Insurance Plans
  • VSP
  • Medicare
  • United Healthcare
  • Aetna
  • Cigna
  • EyeMed
  • Anthem Blue Cross Blue Shield
Insurance Questions

Have another plan?
Benefit questions?
Paying out of pocket?
Call us, we are happy to help.

VSP logo
VSP
Medicare logo
Medicare
United Healthcare logo
United Healthcare
Aetna logo
Aetna
Cigna logo
Cigna
EyeMed logo
EyeMed
Anthem Blue Cross Blue Shield logo
Anthem Blue Cross Blue Shield