Nano Tears Eye Drop
Nano Tears (cyclosporine 0.05% nano-emulsion) — twice-daily dry-eye immunomodulator. Nano-droplet formulation aids corneal penetration; 4-8 week onset to peak effect.
✓ Medically reviewed by Morgan Ellis — Pharmacy Researcher · 8 years experience · Last reviewed: May 2026
⚡ Quick Answer — What is Nano Tears Eye Drop?
Nano Tears Eye Drop is cyclosporine 0.05% ophthalmic emulsion for chronic dry eye disease — particularly evaporative and aqueous-deficient dry eye. Used twice daily long-term. Onset is gradual: 4–8 weeks for symptom relief, full effect by 6 months. Burning on instillation is common and usually settles.
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What is Nano Tears Eye Drop?
Nano Tears Eye Drop is manufactured by Sun Pharma and contains cyclosporine 0.05% as a sterile ophthalmic emulsion. Topical cyclosporine is a calcineurin inhibitor that addresses the immune-mediated inflammatory component of chronic dry eye disease — distinct from purely lubricating artificial tears.
How It Works
Cyclosporine binds intracellular cyclophilin and inhibits calcineurin in T-lymphocytes, blocking the transcription of IL-2 and downstream T-cell-mediated inflammation. In chronic dry eye, conjunctival and lacrimal-gland T-cell infiltration drives a self-perpetuating inflammatory cycle — cyclosporine breaks this cycle, reducing inflammatory cytokines and increasing tear production over weeks to months.
Indications
- Moderate-to-severe chronic dry eye disease with inflammatory component
- Sjögren’s syndrome–associated keratoconjunctivitis sicca
- Post-LASIK chronic dry eye
- Atopic keratoconjunctivitis (off-label)
- Vernal keratoconjunctivitis (off-label)
- Graft-versus-host disease ocular involvement
Dosing
1 drop in each eye twice daily, ideally 12 hours apart. Continue indefinitely — cyclosporine is a chronic-disease therapy, not a course. Many patients also use preservative-free artificial tears alongside, instilled 5+ minutes after cyclosporine.
Side Effects
Most common: burning or stinging on instillation (15–20% of patients in the first 1–2 weeks; usually settles). Tip: a brief course of low-potency steroid or steroid-NSAID at initiation reduces burning.
Less common: conjunctival hyperaemia, ocular discharge, foreign body sensation, blurred vision after instillation, eye pain.
Systemic: negligible from topical use. Unlike oral cyclosporine, topical formulation does not cause kidney impairment, hypertension, or systemic immunosuppression.
Warnings & Contraindications
- Active ocular infection (bacterial, viral, fungal) — treat infection first
- Hypersensitivity to cyclosporine
- Pregnancy / breastfeeding — Category C; topical absorption minimal, discuss with prescriber
- Contact lens wearers — instil 15 minutes before lens insertion
Storage
Store at 15–25°C. Single-use vials are preservative-free; multi-dose bottles contain preservative or are designed for filterless dispensing.
Frequently Asked Questions
How long until Nano Tears Eye Drop works?
First symptom relief at 4–8 weeks. Full effect on tear production by 3–6 months. Many patients abandon too early — give it time.
Why does Nano Tears Eye Drop burn?
About 15–20% of patients experience burning or stinging in the first 1–2 weeks. The cause is partly the formulation vehicle (oil-in-water emulsion). Most settle. A short course of mild topical steroid alongside the start can reduce the burn.
Can I use Nano Tears Eye Drop with artificial tears?
Yes — wait at least 5 minutes between cyclosporine and any other drop. Many patients use cyclosporine BID and lubricants 4 times daily.
What is dry eye disease really?
Chronic dry eye is a multifactorial inflammatory disease of the ocular surface. Mechanisms include reduced tear production (aqueous-deficient), excessive evaporation (evaporative — usually meibomian gland dysfunction), and a self-sustaining inflammatory cycle. Cyclosporine targets the inflammatory cycle.
Will Nano Tears Eye Drop cause my immune system to weaken?
No — topical cyclosporine has minimal systemic absorption. The systemic side effects of oral cyclosporine (kidney impairment, hypertension, systemic infection risk) do not occur with eye-drop dosing.
Can Nano Tears Eye Drop be used with contact lenses?
Yes — instill 15 minutes before lens insertion. Some formulations are preservative-free single-use vials suitable for direct instillation with lenses in.
What if I miss a dose?
Take it as soon as you remember. Skipping occasional doses is fine; the effect builds over weeks.
Is Nano Tears Eye Drop safe in pregnancy?
Topical absorption is minimal, but pregnancy data are limited. Discuss with your prescriber.
What if cyclosporine alone isn't enough?
Many patients benefit from punctal plugs (small inserts that block tear drainage), warm compresses for meibomian gland dysfunction, omega-3 supplementation, and sometimes lifitegrast (Xiidra) as an alternative anti-inflammatory.
What about Restasis vs Cequa vs Klarity-C vs Nano Tears Eye Drop?
All are topical cyclosporine for dry eye. Restasis (Allergan) is 0.05% emulsion BID. Cequa (Sun) is 0.09% solution BID — newer, less burning. Klarity-C (Imprimis) is compounded variations. The active drug is the same; formulation differences affect tolerability.
Other Eye-Care Medications
Customers viewing this product also consider these alternatives in our Eye Care range:
- Restasis Eye Drops (cyclosporine)
- Cyclomune Eye Drop (cyclosporine)
- Just Tears Eye Drop
- Moisol Eye Drop
- Nano Tears Eye Drop
Medical Disclaimer
The information on this page is for educational purposes only and is not a substitute for medical advice from a qualified ophthalmologist or optometrist. Eye conditions can rapidly threaten sight — sudden vision loss, severe pain, or trauma is an ophthalmology emergency. Always consult an eye-care professional before starting, stopping, or changing any treatment.
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| Strength | 0.01%(3ml), 0.05%(3ml) |
|---|---|
| Quantity | 1 Eye Drop/s, 3 Eye Drop/s, 6 Eye Drop/s |
| Pharma Form | Eye Drop/s |
| Manufacturer | Sunways India |
| Treatment | Eye Care |
| Generic Brand | Cyclosporine |
Nano Tears Eye Drop
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