Eye Moistness Or Dryness

What Causes Watery Eyes Or Dry Eyes?

Watery eyes or dry eyes can have various causes, ranging in severity from 'worrying' to 'needs attention'.  Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.

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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms.  In order to diagnose watery eyes or dry eyes, we could:

  • Research the topic
  • Find a doctor with the time
  • Use a diagnostic computer system.
The process is the same, whichever method is used.

Step 1: List all Possible Causes

We begin by identifying the disease conditions which have "watery eyes or dry eyes" as a symptom.  Here are seven possibilities:
  • Low Estrogens
  • Sjogren's Syndrome
  • Dehydration
  • Iritis
  • Dry Eye
  • Sarcoidosis
  • Rheumatoid Arthritis

Step 2: Build a Symptom Checklist

We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
history of adult allergies
swollen axillary nodes
shortness of breath when at rest
infrequent daytime urination
mood swings during menstrual cycle
frequent unexplained nausea
regular morning stiffness
occasional 'chills'
brittle fingernails
sensitivity to bright light
bloodshot eyes
... and more than 90 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of watery eyes or dry eyes:
Cause Probability Status
Iritis 91% Confirm
Dehydration 24% Unlikely
Sarcoidosis 12% Unlikely
Rheumatoid Arthritis 4% Ruled out
Sjogren's Syndrome 4% Ruled out
Dry Eye 4% Ruled out
Low Estrogens 4% Ruled out
* This is a simple example to illustrate the process

Arriving at a Correct Diagnosis

The Analyst™ is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.

In the Eyes/Ocular Symptoms section of the questionnaire, The Analyst™ will ask the following question about eye moistness or dryness:
How moist do your eyes tend to be?
Possible responses:
→ Usually very dry, I need eye drops
→ Sometimes slightly dry
→ About average / don't know
→ Sometimes slightly too moist / watery
→ Usually watery / too moist, causing teariness
Based on your response to this question, which may indicate very dry eyes, dry eyes, watery eyes or very watery eyes, The Analyst™ will consider possibilities such as:
Rheumatoid Arthritis

"Dry eye" is a symptom of certain autoimmune diseases like rheumatoid arthritis and Sjogren's syndrome.


Red and teary eyes or blurred vision are common symptoms.

Sjogren's Syndrome

"Dry eye" is a symptom of certain autoimmune diseases like rheumatoid arthritis and Sjogren's syndrome, in which the body's immune system mistakenly attacks the tear ducts and saliva glands.

... and also rule out issues such as:
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