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Doctors & Staff

Meet the experienced and friendly doctors and staff who make Woodsville Eye Care Center the leading provider of vision care products and services in Woodsville.

Dr. Kevin M. Stratton

Diplomate, American Board of Optometry

Dr. Kevin Stratton earned his Bachelor of Science degree from Ursinus College and his Doctor of Optometry at Pennsylvania College of Optometry. During his doctorate externship education, Dr. Stratton received clinical honors in Low Vision, Primary Eye Care and Hospital rotations. He is also a recipient of numerous awards including Beta Sigma Kappa International Optometric Honor Society, Pennsylvania College of Optometry Scholarship, E.F. Wildermuth Memorial Scholarship and Who’s Who Among Students in American Universities and Colleges.

As an avid hiker and skier, Dr. Stratton pursued his dream of living close to the mountains soon after attaining his doctorate degree. He and his wife relocated to New Hampshire and he has since been providing comprehensive eye care to our community. Dr. Stratton’s interests include contact lens fitting, diagnosis and management of ocular diseases such as macular degeneration, diabetic retinopathy, dry eyes and glaucoma as well as primary eye care for the whole family.  Dr. Stratton is Board Certified by the American Board of Optometry, a current member of both the American and New Hampshire Optometric Associations and a clinical preceptor for Salus University.

In his spare time, Dr. Stratton volunteers to help area public schools with vision screenings and enjoys spending time with his wife and their 3 children, skiing, hiking and coaching soccer.

Dr. Winnie Tseng

Diplomate, American Board of Optometry

Dr. Winnie Tseng was born in Winnipeg (thus her name Winnie) and raised in Vancouver, Canada, where she graduated from the University of British Columbia and received her Bachelors of Science in Biopsychology. Following her bachelor’s degree, Dr. Tseng earned her doctorate degree from Pennsylvania College of Optometry, where she was the recipient of a number of academic awards, graduated with Clinical Honors in Low Vision and elected to Beta Sigma Kappa International Optometric Honor Society.  Her training included internship at the Yukon-Kuskokwim Health clinic in Alaska and various specialty clinics in Pennsylvania. Dr. Tseng then returned to graduate school and earned an MBA degree in Health Care Management from Quinnipiac University, where she was inducted into the International Honor Society Beta Gamma Sigma.

Dr. Tseng practices optometry at Littleton, Woodsville and Lincoln Eye Care Centers, with a special interest in the treatment of dry eyes, glaucoma management, contact lens fitting, ocular disease and comprehensive eye care for the entire family.  She is Board Certified by the American Board of Optometry, President-Elect of the New Hampshire Optometric Association, a board member of the Littleton Rotary, secretary to the Littleton Rotary Charitable Fund, an ambassador to the Granite United Way’s Community Impact Committee, American Optometric Association member, and a clinical preceptor for Salus University and New England College of Optometry.

Dr. Tseng lives in Lisbon with her husband, Kevin, and their 3 children. Outside of the office, she enjoys cooking, reading, and spending time outdoors gardening, hiking and travelling with her family.

Dr. Erica L. Griffin

Dr. Erica Griffin earned her Doctor of Optometry degree from the Rosenberg School of Optometry in San Antonio, Texas.

Dr. Griffin enjoys helping patients of all ages achieve their visual needs. Her professional interests are in primary eye care for the whole family, contact lenses, ocular disease including the management of Glaucoma, Diabetic Retinopathy, Dry eye Disease, Macular Degeneration and surgical co-management. Dr. Griffin is actively involved in community outreach programs such as the Diabetes Support Group at Cottage Hospital and in volunteer vision screenings for children in our local schools.

Dr. Griffin was awarded by the New Hampshire Optometric Association as the 2019 Young Optometrist of the Year. The award honors an optometrist who has been in practice for less than ten years, and has devoted their time to the profession, involvement with the state association and service to the public. Dr. Griffin is the current  President of the New Hampshire Optometric Association and a member of the American Optometric Association.

Originally a Michigan native, Dr. Griffin and her husband have resided in Lisbon for the past few years. They have been enjoying the mountains of the North Country with skiing and hiking. She also enjoys yoga, karate and traveling.

Dr. Ryan K. Watari

Dr. Ryan Watari earned his Bachelor of Science degree from Massachusetts College of Liberal Arts where he majored in Athletic Training/Sports Medicine and minored in Biology. He earned his Doctorate at the New England College of Optometry where he was awarded membership into the Beta Sigma Kappa International Optometric Honor Society. His clinical rotations included private practices in Rhode Island and New Hampshire, ocular disease focused training at the Veteran’s Affairs Hospital in Providence, RI, and a community health center in Holyoke, MA. He received several accolades including the Beider Moral Obligation Scholarship and the Ned S. Witkin Low Vision Award.

Dr. Watari has special interests in systemic disease with associated ocular complications, retinal vascular disease, specialty contact lenses and low vision rehabilitation. He is a current member of both the American Optometric Association and the New Hampshire Optometric Association.

A former Army combat medic, Dr. Watari served for our country in two tours of duty in Operation Iraqi Freedom. His training included Air Assault School and the Rappel Master course.

Originally from Roselle, IL, he became a longtime resident of Bellingham, MA. He currently resides in Littleton, enjoying the great community, outdoors and beauty of the White Mountains. Outside the office, Dr. Watari also enjoys several disciplines of target sports, hiking and playing guitar and banjo.

Dr. Samuel L. Stack

Fellow of the American Academy of Optometry

Dr. Samuel Stack graduated with a B.S. in Biology from University of Connecticut and then went on to earn a Doctorate in Optometry from SUNY College of Optometry. While at SUNY, Dr. Stack won the Johnson and Johnson J. Pat Cummings Scholarship and the Mr. and Mrs. Unger Award for Excellence in Optometry. Dr. Stack completed externship rotations at the Southern Arizona VA Health Care System, a private practice in New York, and in the Specialty Contact Lens department of SUNY Optometry. Dr. Stack proceeded to complete a residency in Ocular Disease and Primary Care at the Erie VA Medical Center after completion of his doctorate.

Dr. Stack’s optometric interests include emergency eye care such as foreign body removal, treatment of corneal disease, glaucoma management, and fitting of specialty lenses such as rigid gas permeable and scleral lenses. Dr. Stack is also proficient in medical Spanish. Dr. Stack is an active member of the American Optometric Association and New Hampshire Optometric Association.

In his free time, Dr. Stack enjoys golf, skiing, hiking and outdoors activities with his wife, Laura, and their dog. Dr. Stack also loves cheering on his alma mater, the UConn Huskies!

Dr. Laura I. Karle

Fellow of the American Academy of Optometry

Dr. Laura Karle is originally from Erie, Pennsylvania. She graduated summa cum laude from Cleveland State University with a Bachelor of Science and earned her doctorate degree at the State University of New York College of Optometry, where she received the Dr. William M. Eisenberg Memorial Award for Excellence in Ocular Disease. She went on to complete a residency at the Erie Veterans Affair Medical Center, with a focus in Ocular Disease and Primary Care.

Her professional interests include management and treatment of dry eye syndrome, glaucoma, corneal disease, age-related macular degeneration, visual issues relating to traumatic brain injury, low vision services, and contact lens care. She is also interested in optometric outreach and has been on international service trips to Grenada and Guatemala to provide eye care to underdeveloped areas.

Dr. Karle likes to spend her time outdoors. She enjoys hiking, skiing, camping, biking and running. She lives in Lyman, NH with her husband, Sam, and their dog.


Beth Hubbard

CPOT (Certified Paraoptometric Technician), with 37 years of experience.

Peter Schall

CPO (Certified Paraoptometric), with 4 year of experience.

Kelly Stiegler

CPO (Certified Paraoptometric), with 4 year of experience.