Schirmer’s Test: Pinpointing the Cause of Dry Eyes
Schirmer’s test (also known as the Schirmer tear test) is a simple in-office test used to measure tear production. This diagnostic test helps us understand whether your eyes produce enough tears to keep them moist. By identifying the severity of your tear deficiency, we can tailor a treatment plan that effectively addresses your specific needs.
What Is the Schirmer Tear Test?
The Schirmer test is a tried-and-true method for diagnosing dry eye syndrome. It involves using a thin strip of special filter paper (sometimes called a Schirmer strip) placed gently under your lower eyelid to collect tears. You will sit comfortably with eyes closed for about five minutes as the paper absorbs your tears. After that, we remove the strip and measure the amount of moisture on it. The wetter the strip, the more tears you produce. If only a small portion of the strip is moist, it indicates low tear production (in fact, less than about 5 milliliters of moisture after 5 minutes suggests severe dry eye).On the other hand, a typical result would show adequate tear wetting, meaning your eyes are producing sufficient tears.
How Schirmer’s Test Feels and Why We Use It
Patients often ask if the Schirmer test is uncomfortable. It’s a quick and painless test. You might feel a slight tickle or awareness of the paper strip, but there’s no significant pain. If needed, our eye doctor can even use a numbing drop beforehand so you stay completely comfortable. The test does not involve any needles or machines; it simply requires a small paper strip and a few minutes of your time.
We perform the Schirmer tear test because it gives us an objective measure of your tear production. Dry eye can have many causes (from aging and screen use to autoimmune conditions like Sjögren’s syndrome), so it’s essential to confirm that inadequate tears are part of the problem. This test, along with a thorough eye examination, enables us to diagnose dry eye with confidence. With the results in hand, we can discuss whether you genuinely have dry eye disease (and how severe it is) or if something else might be causing your symptoms. Most importantly, knowing your Schirmer test results helps us determine the best course of action, including whether you’re a good candidate for treatments like punctal plugs.
Your eye doctor will explain your results clearly and thoroughly. For example, if your tears only wet 5 mm of the strip, we know your eyes aren’t producing enough moisture, and we’ll need an aggressive plan to get you relief. If your result is closer to normal, we might investigate other causes or focus on improving tear quality.
By starting with a Schirmer’s test at our Monterey, Salinas, or Ryan Ranch office, we eliminate the guesswork in diagnosing dry eye. It’s one of the first steps toward lasting comfort.