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Ortho-K lenses, also called orthokeratology lenses, are specially designed rigid contact lenses worn while you sleep. Instead of correcting vision during the day like regular glasses or contact lenses, Ortho-K gently reshapes the front surface of the eye overnight. When the lenses are removed in the morning, many patients can see clearly throughout the day without daytime contacts or glasses.

Chronic dry eye is more than an occasional irritation. It can affect comfort, vision, reading, screen use, and overall quality of life. For many patients in San Francisco, dry eye develops when the tear film becomes unstable or the meibomian glands stop producing enough healthy oil. Because chronic dry eye often has more than one cause, the best treatment is usually a targeted plan rather than a single product or drop.

If your child has been diagnosed with nearsightedness (myopia), you are not alone. Myopia is becoming increasingly common in children—and without proper care, it can continue to worsen year after year...

Contact lenses offer convenience, freedom from glasses, and clear vision throughout the day. However, when lenses aren’t properly fitted or cared for, discomfort can quickly get in the way of your daily routine.

When most people think of an eye exam, they imagine reading letters on a chart to check their eyesight. While measuring vision is an important part of the process, comprehensive eye exams go much deeper.

Dry eye is a common yet often misunderstood condition that can significantly affect your comfort and visual clarity. While over-the-counter eye drops may provide temporary relief, addressing dry eye effectively often requires a more personalized approach. At Market Street Optometry, we’re committed to developing customized treatment plans tailored to your specific needs.

Traveling is an exciting adventure, but the last thing you want is an eye emergency ruining your trip. Whether you're exploring a new city or relaxing on a beach, unexpected eye issues—like a lost contact lens, sudden redness, or an irritating foreign object—can quickly become a problem. At Market Street Optometry, we want to make sure you’re prepared before you go, so you can focus on enjoying your trip without worrying about your eyes.

In our digital age, screens have become an integral part of daily life, whether for work, school, or leisure. While these devices offer incredible convenience, they also introduce a challenge for our eyes: Computer Vision Syndrome (CVS). A significant contributor to this condition is blue light, a high-energy visible (HEV) light emitted by digital screens, LED lights, and even the sun.

Myopia has become a growing concern in the modern era. As our world becomes increasingly digitized, with screens and near-work activities dominating our daily lives, the prevalence of myopia has skyrocketed. In fact, the World Health Organization estimates that by 2050, nearly 50% of the global population will be affected by this refractive error.

Dry eye is characterized by insufficient tear production or excessive tear evaporation. This imbalance leads to discomfort, irritation, and potential vision problems. One of the primary causes of dry eye is meibomian gland dysfunction (MGD), a condition where the meibomian glands (located in the eyelids) fail to produce enough oil to prevent tear evaporation.