Introduction
Ocular inflammatory and allergic conditions are described in Ayurveda under Netra Abhiṣyanda, encompassing presentations comparable to infective and allergic conjunctivitis. These conditions are characterized by redness, irritation, discharge, lacrimation, photophobia, and foreign body sensation. Within Ayurvedic Śālākya Tantra, management emphasizes local ocular therapies such as Āścyotana and medicated eye drops to provide targeted action over affected ocular tissues.
Clinical spectrum of Netra Abhiṣyanda
Netra Abhiṣyanda represents a group of conjunctival disorders arising from vitiation of Doṣa, particularly Vāta-predominant Tridoṣa involvement in allergic presentations (Vātaja Abhiṣyanda). Clinical features include:
- Ocular redness (Rāga) and congestion
- Burning sensation and irritation
- Excessive tearing (Lācrimation)
- Photophobia and discomfort in light exposure
- Foreign body sensation and ocular dryness or discharge
These features correspond to infectious and hypersensitivity-related conjunctival inflammation.
Therapeutic relevance of Āścyotana and medicated eye drops
Local ocular administration through Āścyotana and eye drops forms a primary therapeutic approach in Abhiṣyanda. These modalities provide direct drug contact with ocular tissues, supporting symptomatic relief and local tissue response modulation.
Two main therapeutic approaches are utilized:
- Herbal and mineral-based formulations such as Rasāñjana Madhu eye drops
- Natural preparations such as honey- and rose water-based eye drops
- Herbal ocular instillation in Vātaja Abhiṣyanda using Bilvādi Āścyotana or Bilvādi eye drops
Clinical applications in conjunctival disorders
In infective conjunctival presentations, Rasāñjana Madhu eye drops are associated with reduction in multiple inflammatory symptoms, including redness, discharge, burning sensation, photophobia, and ocular congestion. Honey-based formulations also contribute to symptomatic relief, attributed to their physicochemical properties.
In allergic conjunctival conditions (Vātaja Abhiṣyanda), Bilvādi Āścyotana demonstrates greater improvement in symptoms such as:
- Ocular pain (Toda)
- Foreign body sensation (Sangharṣa)
- Irritation and roughness (Paruṣyatā)
- Itching (Kandu)
- Redness (Rāgata)
Mechanistic and functional considerations
Ayurvedic ocular therapies function through localized action over conjunctival tissues, providing direct symptomatic modulation. Properties attributed to therapeutic efficacy include:
- Local cleansing and soothing action on ocular surface
- Reduction of inflammatory symptoms and irritation
- Support for ocular surface comfort and hydration balance
- Antimicrobial and protective effects in infective conditions
Conclusion
Netra Abhiṣyanda represents a broad spectrum of conjunctival inflammatory and allergic disorders managed effectively through localized Ayurvedic ocular therapies. Rasāñjana Madhu eye drops, honey-based formulations, and Bilvādi Āścyotana demonstrate targeted symptom relief in infective and allergic presentations, highlighting the clinical relevance of traditional Śālākya Tantra interventions in ocular surface disorders.1,2
References:
- Bhardwaj A, Tanwar M. Effect of rasanjana madhu ashchyotana in netra abhishyanda (mucopurulent conjunctivitis). Ayu. 2011;32(3):365-369. doi:10.4103/0974-8520.93916. https://pmc.ncbi.nlm.nih.gov/articles/PMC3326884/
- Udani J, Vaghela DB, Rajagopala M, Matalia PD. A comparative study of Bilvadi Yoga Ashchyotana and eye drops in Vataja Abhishyanda (Simple Allergic Conjunctivitis). Ayu. 2012;33(1):97-101. doi:10.4103/0974-8520.100323. https://pmc.ncbi.nlm.nih.gov/articles/PMC3456873/