Peter B. Knowlton, MD

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Dr. Peter Knowlton, MD

Peter B. Knowlton, MD

Comprehensive Ophthalmology, Cataract, Laser, and Refractive Surgery, Minimally Invasive Glaucoma Surgery

Dr. Peter Knowlton, MD, is a board-certified ophthalmologist and ophthalmic surgeon who specializes in cataract surgery, glaucoma treatment and surgery, laser procedures, age-related macular degeneration, and diabetic eye exams.

Dr. Knowlton completed his undergraduate education at Duke University, with a Bachelor of Science in biology. He attended medical school at the Vanderbilt University of Medicine and completed an internship at the University of Pittsburgh, Mercy Hospital, followed by a residency in ophthalmology at the University of Pittsburgh Medical Center.

In his free time, Dr. Knowlton enjoys marathon running, traveling to interesting places around the world, kayaking, hiking, cooking, and enjoying time with his wife and 3 young children.

Locations Served: Mary Ader and Mount Pleasant

Locations

We have several convenient locations throughout South Carolina. Please view the nearest location to you or get directions below. 

    News

    ​​Dry Eyes in Winter: Relief Tips and When to Visit Your Eye Doctor

    Dry Eye

    Winter often feels cozy, with heavier clothes, warm drinks, and more time indoors. For many people, it also brings a change in eye comfort. Dry, itchy, burning eyes become more common as the air dries out and indoor heating runs for longer stretches. When dry eyes in winter move from an occasional annoyance to a […]

    Read More… from ​​Dry Eyes in Winter: Relief Tips and When to Visit Your Eye Doctor

    December 11, 2025
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    What Causes Eye Allergies? How Early Check-Ups Can Save Your Eyes

    Eye Surgery

    For many, itchy, watery, red eyes are more than a minor annoyance. These are the classic signs of allergic conjunctivitis, or what’s more broadly referred to as eye allergies. Understanding what causes eye allergies and recognizing the signs early can help keep symptoms manageable while protecting long-term eye health. What causes eye allergies? Eye allergies […]

    Read More… from What Causes Eye Allergies? How Early Check-Ups Can Save Your Eyes

    November 18, 2025
    useye

    Cataract Surgery Lens Options: Choosing the Best Lens for Clear Vision

    Cataract Surgery

    Making the right choice among cataract surgery lens options is important, as the lens you select (known as an intraocular lens, or IOL) sets the baseline for your sight. Surgeons will always walk you through the options and provide a recommendation, but knowing what kind of visual goals you have, based on your day-to-day life […]

    Read More… from Cataract Surgery Lens Options: Choosing the Best Lens for Clear Vision

    October 28, 2025
    useye
    what causes Dry Eyes in Winter

    Winter often feels cozy, with heavier clothes, warm drinks, and more time indoors. For many people, it also brings a change in eye comfort. Dry, itchy, burning eyes become more common as the air dries out and indoor heating runs for longer stretches. When dry eyes in winter move from an occasional annoyance to a […]

    Read More… from ​​Dry Eyes in Winter: Relief Tips and When to Visit Your Eye Doctor

    causes of eye allergies

    For many, itchy, watery, red eyes are more than a minor annoyance. These are the classic signs of allergic conjunctivitis, or what’s more broadly referred to as eye allergies. Understanding what causes eye allergies and recognizing the signs early can help keep symptoms manageable while protecting long-term eye health. What causes eye allergies? Eye allergies […]

    Read More… from What Causes Eye Allergies? How Early Check-Ups Can Save Your Eyes

    Cataract surgery lens options showing intraocular lenses used for clear vision after cataract treatment

    Making the right choice among cataract surgery lens options is important, as the lens you select (known as an intraocular lens, or IOL) sets the baseline for your sight. Surgeons will always walk you through the options and provide a recommendation, but knowing what kind of visual goals you have, based on your day-to-day life […]

    Read More… from Cataract Surgery Lens Options: Choosing the Best Lens for Clear Vision

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    We are a proud partner of US Eye, a leading group of patient-centric, vertically integrated multi-specialty physician practices providing patients with care in ophthalmology, optometry, dermatology, audiology, and cosmetic facial surgery.

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