Overview
Tears Naturale II by Alcon is a sterile ophthalmic lubricant formulated to relieve dryness and irritation in the eyes of cats and dogs. Originally developed for human use, it is widely recommended by veterinarians for companion animals experiencing dry eye syndrome, environmental irritation, or post-surgical ocular discomfort. Its dual-polymer system mimics natural tears, providing long-lasting hydration and comfort without pharmacological activity.
Key Benefits / Features
✅ Provides soothing relief for dry, irritated, or fatigued eyes
✅ Mimics natural tear film with a dual-polymer system
✅ Safe for regular use in cats and dogs
✅ Preservative-stabilized formula for extended shelf life
✅ Non-medicated and compatible with most ophthalmic treatments
Ingredients
-
Active Lubricating Agents:
- Dextran 70 – 0.1%
- Hypromellose (Hydroxypropyl Methylcellulose) – 0.3%
-
Inactive Ingredients:
- Sodium chloride
- Potassium chloride
- Magnesium chloride
- Calcium chloride
- Boric acid
- Purified water
- Preservatives (e.g. Polyquaternium-1 or Benzalkonium chloride depending on version)
Nutritional Composition / Active Ingredients
| Component |
Concentration per mL
|
|
Dextran 70
|
1 mg (0.1%)
|
| Hypromellose |
3 mg (0.3%)
|
| Volume |
5 mL bottle
|
Uses / Indications
Tears Naturale II is indicated for:
- Dry eye syndrome (keratoconjunctivitis sicca)
- Environmental irritants (e.g. dust, wind, air conditioning)
- Post-operative ocular hydration
- Supportive care in chronic eye conditions
- Lubrication before or after ophthalmic procedures
Dosage
- Typical dosage: 1–2 drops in the affected eye(s) 2–4 times daily
- May be used more frequently based on veterinary advice
- Administer by gently pulling down the lower eyelid and instilling drops without touching the eye
- Shake gently before use if instructed
Possible Side Effects
- Mild transient stinging or blurred vision
- Rare: Allergic reactions (e.g. redness, swelling, itching)
- No systemic side effects due to topical, non-pharmacological nature
Drug & Food Interactions
- No known food interactions
- Compatible with most topical ophthalmic medications
- If used alongside medicated eye drops, allow 5–10 minutes between applications
Precautions
- For external ophthalmic use only
- Do not use if solution changes color or becomes cloudy
- Avoid touching the dropper tip to any surface, including the eye
- Store at room temperature (15–25°C)
- Discard 28 days after opening
