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Dry eye is not the same for everyone. Symptoms may be caused by meibomian gland dysfunction (MGD), inflammation, Sjögren’s disease, previous LASIK or eye surgery, medications, contact lens wear, aging, or environmental factors.
At San Carlos Eye Care, we look beyond temporary symptom relief to identify what may be contributing to your dry eye. We provide personalized dry eye care for patients in San Carlos, the Peninsula, and throughout the San Francisco Bay Area.
Depending on the cause and severity of your dry eye, treatment may include prescription medications, punctal plugs, eyelid and meibomian gland treatments, radiofrequency, red light therapy, scleral lenses, autologous serum tears, and other advanced therapies.

Dry eye does not always feel “dry.” Symptoms can include burning, stinging, gritty or sandy eyes, excessive watering, redness, light sensitivity, eye fatigue and blurry or fluctuating vision. Some patients notice that their vision temporarily clears after blinking.

Punctal plugs are a simple, minimally invasive treatment that can help keep natural tears on the surface of the eye longer. Tiny plugs are placed in the tear drainage openings to reduce tear loss. They may be especially helpful for patients with aqueous-deficient or chronic dry eye.

Scleral lenses are specialized contact lenses that vault over the cornea and rest on the white part of the eye, called the sclera. A fluid reservoir beneath the lens continuously bathes the cornea, helping protect the ocular surface and relieve symptoms of moderate to severe dry eye. Scleral lenses may be especially helpful when traditional dry eye treatments do not provide enough relief.

ZEST is a gentle, in-office eyelid and lash cleaning treatment designed to remove oils, debris, bacteria, and buildup along the eyelid margins. It can be helpful for patients with blepharitis, meibomian gland dysfunction (MGD), and dry eye symptoms.
Looking for BlephEx? We do not offer BlephEx. We offer ZEST as our professional eyelid-cleaning alternative.
$30 with an eye exam | $150 standalone
Meibomian gland dysfunction (MGD) is one of the most common causes of evaporative dry eye. MGrx uses controlled heat followed by gentle expression of the meibomian glands to help soften and release thickened oils. Improving oil flow can help stabilize the tear film and reduce dry eye symptoms.

Amniotic membranes are biologic tissues that may be used to support healing of the ocular surface in patients with severe dry eye, persistent inflammation, or corneal surface damage. The membrane is placed temporarily over the eye, where it acts as a protective covering and provides a healing environment for the cornea.
This treatment may be considered when conventional dry eye therapies are not providing enough relief or when the ocular surface needs additional support to heal.

Autologous serum eye drops are made from a patient’s own blood. After the blood is processed, the serum is diluted to create sterile eye drops containing naturally occurring proteins, vitamins, and growth factors that are also found in healthy tears.
These drops may be recommended for patients with severe or persistent dry eye, significant ocular surface disease, or corneal epithelial problems that have not responded adequately to conventional treatments. They can help support the ocular surface and corneal healing while providing lubrication similar to natural tears.

Radiofrequency treatment with Eterna delivers controlled heat to the eyelid and periocular area. The heat helps warm the meibomian glands and support healthier oil flow, which may improve tear-film stability and symptoms associated with meibomian gland dysfunction.
An added benefit for many of our patients is the aesthetic effect of treatment. Radiofrequency also stimulates collagen in the treated skin, which may improve skin texture and the appearance of fine lines around the eyes. This combination allows us to address dry-eye concerns while also offering aesthetic benefits for patients interested in both.

ADVATx is a laser treatment that may help address inflammation and facial or ocular rosacea, which can contribute to dry eye symptoms and meibomian gland dysfunction. Its targeted wavelengths allow treatment of redness and vascular changes in the skin around the eyes and face.
By reducing inflammation and rosacea-related redness around the eyelids, ADVATx may help support a healthier environment for the meibomian glands and ocular surface. Treatment is comfortable for most patients and typically requires little to no downtime.
An added benefit is skin rejuvenation. ADVATx can also improve the appearance of redness, uneven skin tone, texture, and fine lines, making it a good option for patients interested in addressing both dry eye-related concerns and the appearance of the skin around the eyes.

Red Light Therapy, also known as Low-Level Light Therapy (LLLT), is a gentle, non-invasive treatment that uses specific wavelengths of red and near-infrared light. The light helps support cellular activity and may reduce inflammation around the eyes, supporting meibomian gland function and a healthier tear film.
For patients with meibomian gland dysfunction, Red Light Therapy may be combined with treatments such as MGrx to help improve oil flow and relieve dry eye symptoms.
An added benefit is skin rejuvenation. Red Light Therapy may also support collagen production and improve the appearance of skin tone, texture, and fine lines around the eyes. For patients interested in additional aesthetic benefits, it can be combined with Radiofrequency or ADVATx.
Treatments are comfortable and require no downtime.

Prescription treatments may be recommended to reduce inflammation, improve tear production, stabilize the tear film, or address other causes of chronic dry eye. Depending on your needs, options may include Restasis, Cequa, Vevye, Xiidra, Tyrvaya, Tryptyr, Miebo, Eysuvis, or other anti-inflammatory treatments.
At San Carlos Eye Care, our comprehensive dry eye evaluation helps determine whether symptoms are caused by meibomian gland dysfunction (MGD), inadequate tear production, inflammation, tear-film instability, or a combination of factors.

Meibography is a non-invasive imaging technique that allows us to see and evaluate the health of your oil glands (meibomian glands) located along your eyelids. These glands play an important role in keeping your eyes comfortable and your tears from evaporating too quickly. Meibography helps us detect signs of Meibomian Gland Dysfunction (MGD) by showing any loss or structural changes.

The Schirmer's test measures your eye's tear production rate. By placing a thin strip of filter paper under the lower eyelid, we can determine the volume of tear production, aiding in the diagnosis of dry eye syndrome.

TBUT is a critical test that evaluates the stability of your tear film. By applying a non-invasive dye to the eye, we observe how long it takes for dry spots to appear after a blink. This helps us understand the evaporative speed of your tears.

This diagnostic test uses a special dye called fluorescein that illuminates areas of damage on the cornea when exposed to blue light. It helps us identify dry spots, abrasions, or corneal erosions, providing valuable information on the severity and type of dry eye condition.

Lissamine green is another dye used to highlight areas of the eye's surface that have been affected by dryness or damage. Unlike fluorescein, lissamine green stains devitalized cells and areas where the protective mucin layer is deficient, offering a complementary assessment to better understand your dry eye syndrome.

InflammaDry is a diagnostic test that detects the presence of MMP-9, an enzyme associated with inflammation found in the tears of those with dry eye syndrome. This quick and painless test helps us identify and quantify inflammation, allowing for targeted treatment strategies.

The tear film coats and protects the surface of your eyes, keeping them comfortable, hydrated, and your vision clear. When one or more layers of the tear film become unstable, tears may evaporate too quickly or fail to adequately protect the eye, contributing to dry eye symptoms.
1. The Lipid Layer: The outer layer is produced by the meibomian glands in the eyelids. It slows tear evaporation and helps keep the tear film stable. Poor oil production or blocked glands can contribute to evaporative dry eye.
2. The Aqueous Layer: Produced primarily by the lacrimal glands, this layer provides moisture and contains nutrients and proteins that help nourish and protect the surface of the eye.
3. The Mucin Layer: The inner layer helps tears spread evenly across the surface of the eye and remain attached to it. This creates a smooth, stable surface for comfortable, clear vision.
The meibomian glands are tiny oil-producing glands located along the eyelids. They produce the lipid (oil) layer of the tear film, which helps prevent tears from evaporating too quickly.
When these glands become blocked or stop producing healthy oils, a condition known as meibomian gland dysfunction (MGD) can develop. MGD can cause the tears to evaporate too quickly, leading to burning, irritation, redness, fluctuating vision, and other dry eye symptoms. It is one of the most common causes of evaporative dry eye.
Many patients are surprised to learn that the oil glands in their eyelids, called meibomian glands, can gradually become damaged or disappear over time, a process known as gland dropout. When these glands aren’t functioning properly or begin to shrink, the tear film becomes unstable, often leading to dry eye symptoms like burning, irritation, and blurry vision. Several everyday factors can contribute to meibomian gland dysfunction or loss. The table below outlines common causes and how they may affect the health of your glands:
Ocular rosacea can affect the eyelids, meibomian glands, and surface of the eyes. It may cause burning, redness, irritation, fluctuating vision, eyelid inflammation, and recurrent styes, even in patients with only mild facial rosacea.
At San Carlos Eye Care, we evaluate how rosacea may be affecting the tear film and meibomian glands, then tailor treatment based on the severity of inflammation and gland dysfunction. Treatment may include eyelid hygiene, prescription medications, meibomian gland treatments, radiofrequency, ADVATx laser treatment, and other dry eye treatments when appropriate.
Please reach us at staff@sancarloseyecare.com if you cannot find an answer to your question.
Dry eye disease can occur when your eyes don't produce enough tears or when tears evaporate too quickly. Common causes include meibomian gland dysfunction (MGD), aging, hormonal changes, certain medications, inflammation, autoimmune conditions such as Sjögren’s disease, and dry eye following LASIK surgery. Contact lens wear, wind, smoke, and prolonged screen use can also contribute to or worsen dry eye symptoms.
Dry eyes can cause burning, stinging, watering, or a gritty sensation. Many patients also experience fluctuating vision, light sensitivity, or eye fatigue that worsens throughout the day.
Yes. Dry eye can cause blurry or fluctuating vision because an unstable tear film affects the smooth optical surface of the eye. Vision may temporarily improve after blinking or using lubricating eye drops. If blurry vision is persistent, a comprehensive eye examination can help determine whether dry eye or another eye condition is responsible.
No. Dry eye does not cause eye floaters. Dry eye affects the surface of the eye and can cause blurry or fluctuating vision, while floaters usually originate inside the eye from changes in the vitreous gel.
If you suddenly notice new floaters, flashes of light, or a curtain or shadow in your vision, you should have your eyes examined promptly, as these symptoms can sometimes be associated with a retinal tear or retinal detachment.
Consider seeing a dry eye specialist if you have persistent burning, stinging, redness, excessive watering, a gritty sensation, light sensitivity, or fluctuating vision. An evaluation may also be helpful if artificial tears are no longer providing enough relief, or if you have conditions associated with dry eye such as meibomian gland dysfunction, Sjögren’s disease, ocular rosacea, or a history of LASIK.
We offer advanced treatments that target the underlying cause, not just the symptoms. Options include MGRx heat therapy, AdvaTx laser, Eterna RF, prescription therapies, and customized at-home care to restore comfort and tear balance.We offer advanced treatments that target the underlying cause, not just the symptoms.
Treatment depends on the severity of the gland dysfunction and the quality of the oils produced by the meibomian glands. Options may include warm compresses, eyelid hygiene, ZEST eyelid cleaning, MGrx heat and gland expression, radiofrequency (RF), red light therapy, and treatment of associated inflammation. A dry eye evaluation can help determine which treatments are most appropriate for you.
Yes. Sjögren's disease can cause significant chronic dry eye by reducing natural tear production and affecting the ocular surface. Treatment is personalized and may include prescription dry eye medications, punctal plugs, autologous serum tears, amniotic membrane therapy, scleral lenses, and other treatments based on the severity of your dry eye.
Occasional dryness may improve with artificial tears or lifestyle changes, but chronic dry eye typically needs professional treatment to reduce inflammation and maintain healthy tear function.
Yes. We see patients from throughout the San Francisco Bay Area, including San Mateo, Belmont, Redwood City, and nearby communities.
While we do not offer TearCare®, we provide MGRx, an in-office thermal treatment designed to warm the meibomian glands followed by manual expression of the glands to help restore healthy oil flow. This treats meibomian gland dysfunction (MGD), one of the leading causes of dry eyes. Both TearCare® and MGRx aim to:
San Carlos Eye Care provides comprehensive dry eye evaluation and treatment in San Carlos, California. Dry eye specialist Dr. Nary Chum, O.D., has 17 years of optometric experience and treats mild, persistent, and severe dry eye. We also see patients from Belmont, Redwood City, San Mateo, and surrounding Peninsula communities.
Dry eye can have many different causes, and treatment is not one size fits all. At San Carlos Eye Care, we offer comprehensive evaluation and a wide range of treatment options for patients with mild, persistent, and complex dry eye.
Depending on your needs, treatment may include prescription eye drops, punctal plugs, meibomian gland treatments, ZEST eyelid cleaning, radiofrequency, light based therapies, scleral lenses, autologous serum eye drops, or amniotic membrane therapy.
Our goal is to create a treatment plan that fits your eyes, your symptoms, and your everyday life.
Located in San Carlos, we care for patients from Belmont, Redwood City, San Mateo, and throughout the Peninsula.
Dr. Nary Chum is a trusted dry eye specialist with 17 years of experience in optometric practice and a special passion for helping patients feel and function better in everyday life. She manages both mild and severe dry eye, with a focus on understanding the underlying cause rather than simply treating symptoms.
Her evaluations may include tear film assessment, meibomian gland imaging, ocular surface examination, and inflammation testing when appropriate. Treatment is personalized to each patient, whether symptoms are related to meibomian gland dysfunction, inflammation, reduced tear production, ocular rosacea, previous eye surgery, or other contributing factors.
Mon | 09:00 am – 05:00 pm | |
Tue | 09:00 am – 05:00 pm | |
Wed | 09:00 am – 05:00 pm | |
Thu | 09:00 am – 05:00 pm | |
Fri | 09:00 am – 05:00 pm | |
Sat | By Appointment | |
Sun | Closed |
2nd & 4th Saturdays available with Dr. Lee by appointment only
Take a break and try our Dry Eye Game: Save Your Eyeballs! Dodge the drying wind, catch the eye drops, and see what happens when you lose a life.
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