27/02/2026
❤️ Dry or irritated eyes — eyes may look red and scratchy when dry. 
• 🧴 How tears cover the eye — normally tears form a smooth layer. 
• ⚙️ Parts that make tears — glands in the lids and around the eye make water, oil, and mucus for good tears. 
• 🧪 Tear layers — if any layer is missing or breaks up too fast, your eye feels dry. 
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👁️ What dry eyes are (simple)
Your eyes need tears to stay wet and comfortable.
Dry eyes happen when:
• Your body doesn’t make enough tears
• Tears dry too quickly
• The tear layers (oil, water, mucus) are not balanced 
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👁️ What it can feel like
Your eyes may feel:
• Scratchy or burning
• Like something is in them
• Tired or blurry
• Watering even though they are dry inside 
