Please click here for our announcement, including covid precautions we are taking to keep patients and staff safe.

Dr. Hanlen and Associates welcome Dr. Whitney Territo to our practice!

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Meet Our Doctors

Meet the experienced and friendly doctors who make Dr. Hanlen and Associates the leading provider of vision care products and services in Boalsburg and surrounding communities.

Dr. Whitney Territo

Photo of Dr. TerritoDr. Whitney Territo is a Central Pennsylvania native. She knew at a young age she was going to be an optometrist from the positive influence her father had given her being an optometrist himself. She graduated from Bedford High School in 2009 and went on to complete her undergraduate studies at Indiana University of Pennsylvania. After 3 years at IUP, she was accepted into The Ohio State University College of Optometry. She graduated from Ohio State Summa Cum Laude, receiving her Doctorate in Optometry in May 2016. Dr. Territo was awarded the Beta Sigma Kappa Silver Medal upon her optometry graduation, signifying the attainment of the highest GPA of her graduating class. She was also selected to be the 2016 recipient of the Low Vision Rehabilitation Clinical Excellence Award. Additionally, Dr. Territo was chosen as the Class of 2016 Graduate of the Year for her clinical excellence and academic achievements.

While at Ohio State, Dr. Territo completed an ocular disease rotation at the Hefner Veterans Hospital in Salisbury, NC and advanced externship at Novus Clinic in Akron, OH. Her clinical interests lie in primary care optometry in patients of all ages and the management and treatment of diabetic eye disease, macular degeneration, glaucoma, and dry eye syndrome. She is also passionate about low vision rehabilitation and continues to advocate for patients who have sustained irreversible vision loss.

Dr. Territo has been in private practice for the past 5 years. She is an active member of the American and Pennsylvania Optometric Associations. She is past governor of the Zone 6 Ohio Optometric Association and past Membership Trustee of the Central Ohio Optometric Association. She is currently secretary of the Mid-Counties Pennsylvania Optometric Association.

In her spare time, she enjoys playing piano and traveling. She is married to Dr. John Manard, a fellow optometrist. Together, they are avid bird watchers and enjoy traveling to unique places in search of a rare bird to add to their life list.


Dr. Harvey P. Hanlen

Photo Dr. HanlenHarvey P. Hanlen, OD, FAAO has been in private Optometric practice for over 45 years. He did his undergraduate work at the University of Maryland and received his Doctor of Optometry degree from the Pennsylvania College of Optometry in 1974. He was the President of the Mid-Counties Optometric Society in 1978, served as the President of the Pennsylvania Optometric Association in 1982 and served as the 78th President of the American Optometric Association, completing his term in June, 2000. He served on the Board of Trustees of the Pennsylvania College of Optometry, now Salus University, for 6 years.

Dr. Hanlen has been the recipient of many awards, including:

  • P.O.A. Optometrist of the Year (1987)
  • P.C.O. Alumnus of the Year in (1987)
  • P.C.O. Honorary Doctorate of Human Letters (2000)
  • P.O.A. H. Ward Ewalt, Jr. OD Meritorious Service Award (2013, the organization’s highest honor).

Dr. Hanlen remains fiercely committed to fostering quality patient care using the latest technology in a private practice setting, continuing his work with several organizations. This office on the Diamond in Boalsburg opened in 2010 utilizing state of the art instrumentation to implement the latest techniques for his patients. He has made his practice an AMD Center of Excellence, instituting protocols for individuals who have the disease or may be “at risk.” He developed practice protocols for management of dry eye and has become a local resource for specialty treatment of corneal problems, utilizing specialty contact lenses, that interfere with good vision.

Dr. Hanlen is married to the former Darla Miller who is a State College local and graduated from State College High School. They have 5 children together along with 7 grandchildren.