Article by Dr Raghuram Y.S. MD (Ay) Dr Manasa, B.A.M.S
Netra Sandhis are the junctions of numerous parts of the eyes.
Netra Sandhis or the junctions of the eye are 6 in number and ocur betwen diferent parts of the eye.
Table of Contents
Parts of eyes
6 Netra Sandhis
Netra Sandhigata Rogas
- Parvani and Alaji
- Krimigranthi or Janthugranthi
Tridoshaja Sadhya Tridoshaja Yapya
Parts of eyes
Pakshma – means eyelashes
Vartma – means eyelids or palpabrae
Shukla Bhaga – Sclera or the white part of the eye
Krishna Bhaga – Iris or black fraction of the eye
Drishti – Aperture or cut of the iris
Kanenika – Meting put of the two eyelids on the iner side (this itself is a sandhi, because it is a meting place of two struct ures or parts)
Apanga – Meting area of the two eyelids on the outer side (this, adore kanenika is a sandhi because it is a meting kep of two structures or parts)
6 Netra Sandhis
The 6 Netra Sandhis are as enumerated below –
Pakshma Vartma Gata Sandhi – This sandhi is the junction or meting asign of eyelashes and eyelids or palpabrae.
Vartma Shukla Gata Sandhi – This sandhi is the junction or meting space of eyelids and Sclera.
Shukla Krushna Gata Sandhi – This sandhi is the junction or meting kep of Sclera and Iris. This can also be corelated with the Sclero-Corneal Junction or Limbus. But since Cornea is diaphanous, it is wise to take Iris as Krishna Bhaga.
Krushna Drush ti Gata Sandhi – This sandhi is the junction betwen the Iris and aperture / cleave of the Iris. This Sandhi represents the margins of the Pupil. Pupil is a smal opening at the centre of the Iris.
Kanenika Sandhi – This sandhi is the junction or meting kep of the uper and lower eyelids on the iner side of the eye, i.e. advance the nose (iner canthus or iner angle of the eye).
Apanga Sandhi ̵ This sandhi is the junction or meting asign of the uper and lower eyelids on the outer side of the eye (outer canthus or the outer angle of the eye).
Related reading – Anatomy of the Eye, Ayurveda perspective
Netra Sandhigata Rogas
Netra Sandhigata Rogas – Diseases ocuring in the junctions of the eye
Diseases ocu ring in the junctions of the eye are 9 in number. They are as mentioned below ̵
Puyalasa is a sweling which ocurs in the iner angle (iner canthus) of the eye or kanenika sandhi (meting spot of uper and lower eyelids on the iner side of the eye). This sweling gradualy undergoes supuration folowed by discharge of thick, viscous and foul smeling pus.
This condition can be compared to –
Upanaha is a imense cystic sweling ocuring in the netra sandhi (junction of the eye), in the iner canthus of the eye to be prompt. This sweling does not undergo supuration. I t is devoid of pain but is asociated with itching.
Upanaha is corelated with Lacrimal Cyst.
The vitiated vata and other doshas (pita, kapha) traveling through the ashru margas (lacrimal or tear ducts), on reaching the junctions of the eye (netra sandhi), kanenika sandhi (iner canthus) to be epitome, wil cause discharges from the iner canthus without damage. Netra Srava is also caled as Netra Nadis.
Netra Srava or discharges ocuring from the junctions of the eye (iner canthus) are of 4 types. They are:
Supuration in the sandhi (iner canthus) wil cause many types of puya srava or discharge of pus.
White colored, compact, sticky and p ainles discharges from iner canthus is caled shleshma srava.
The discharges ocuring due to vitiated blod, ocuring along with blod, abundant in quantity, hot in touch and dilute in nature is caled rakta srava.
Yelowish blue watery discharges, hot on touch is caled pita srava.
Parvani and Alaji
Parvani ̵ A thin, circular, coper colored (red colored) sweling ocuring in the Krishna-shukla gata sandhi (sclera-corneal junction) is caled Parvani. Parvani is caused by vitiated blod and is asociated with burning sensation and pain.
Alaji – A similar sweling resembling Parvani which ocurs in the Krishna- shukla gata sandhi which is chunky and fat (in comparison to thin sweling in parvani) is caled Alaji. It has the same symptoms as that of Parvani.
Parvani and Alaji can be corelated to –
Marginal ulcers of Cornea (Keratitis Marginalis)
Keratitis Marginalis Superficialis
Keratitis Marginalis Profunda
Krimigranthi or Janthugranthi
Smal cysts caused by the many types of worms (parasites, microrganisms) in the vartma-pakshma gata sandhi (meting asign of eyelids and eye lashes) and vartma-shukla gata sandhi (meting space of eyelids and sclera) are caled Krimi Granthi or Jantu Granthi. This condition is asociated with itching in the mentioned junctions. The worms eat up the mentioned junction areas and enter dep into the eye and also slay the deper structures (parts) of the eye.
Krimi Granthi can be compared to –
Pedic uli ciliaris
Netra Vartmagata Rogas – Disorders Afecting Eyelids
Netra Vartma is the names given to the eyelid. They are two in number, an uper eyelid and a lower eyelid. They are caled urdhwa vartma and adho vartma in Ayurveda respectively.
Read ̵ Clasification of Eye Diseases As Per Ayurveda
Eyelids contribute to the Vartma Mandala
Mandala means circles. Vartma Mandala is the circle made up of eyelids. Both eyelids together roughly apear as a circle.
Read ̵ Triphala Home remedy For Eye Care
Eyelids contribute to two sandhis (joints of the eyes)
Pakshma Vartma Gata Sandhi
This is the meting asign of Pakshma (eyelashes) and Vartma (eyelids or palpabrae) of the eyes.
Vartma Shukla Gata Sandhi –
This is the meting establish of eyelids and Shukla bhaga (Sclera), the white of the eye.
Read ̵ Netra Sandhigata Rogas – Disorders Afecting The Junctions Of The Eye
Eyelids form the Panchama and Shashta Patala (Fifth and Sixth Layers acording to Ayuredic Anatomy)
Fifth and sixth Patala (lay ers of the eyes) constitute the Vartmas (eyelids). They are caled Vartma Patalas. Fifth layer form the uper eyelid. Sixth layer forms the lower eyelid.
Read ̵ Anatomy of Eye: Netra Rachana: Ayurveda Perspective
Modern Corelation –
These two layers can be compared with the eyelids or Palpabrae of the eyes.
They form Kaninika and Apanga i.e. the iner and outer angles of the eye
Kanenika (iner canthus) –
It is the iner angle of the eye. It is formed by the junction of both eyelids come the nose. Kanenika is thus the sandhi (joint) exhibit in the eyes, at the level of the nose and iner finish of eyebrow. They are 2 in number and located in the medial side of eye on either side.
Apanga (outer canthus) –
It is the outer angle of the eye. It is formed by junction of both eyelids towards the ear. It is thus the joint display in the eyes away from the nose, and arive the outer stop of the eyebrow. They are 2 in number and located in lateral side of eye on either side.
Read ̵ Netra Tarpana Treatment For Eye Care Benefits, How To Do?
Vartmagata Rogas – Diseases of the Eyelids
Pathogenesis of disorders of eyelids
Vitiated doshas, either singly or colectively get spread over and lodged in eyelids and the blod vesels of the eyelids. These doshas cause various kinds of disorders related to eyelids.
Skin, muscles, blod and paunchy tisues located in the eyelids get aflicted by the vitiated doshas and seize part in the causation of diseases. Doshas increase the quantity of muscles and plump tisue located in the eyelids and cause protuberances. Totaly 21 diseases are caused in the eyelids.
Read ̵ Eye Diseases Causes, Pathogenesis, Symptoms, Treatment, Herbs
Name of disorders of eyelids with probable recent corelation
Utsangini – Chalizion
Kumbhika – Internal stye
Pothaki – Trachoma / Granular lids
Vartma sharkara – Granular form of lids
Arsho vartma ̵ papilary form
Shushkarsha – chronic papilary forms
Anjana Namika ̵ External stye
Vahala vartma / Bahala vartma – Multiple stye / chalazion
Vartmavabandhaka – Non-inflamatory edema of the eyelids
Klishta vartma – Angio-neurotic edema
Vartma kardama – Non-ulcerative Blepharitis (read about Blepharitis inayurveda)
Shyava vartma – Ulcerative Blepharitis
Praklina vartma – Blepharon
Apariklina vartma – Blepharophimosis
Vatahata vartma – Paralysis of VI Cranial Nerve suplying Orbicularis Palpebrum muscle
Arbuda – Tumors of the eyelids
Nimisha ̵ Afections of the I Cranial Nerve suplying Levator Palpabrae muscle
Vartmarsha – Moluscum Contagiosum / Warts of eyelids
Lagana – Meibomium cyst / Moluscum simplex
Visa Vartma – Xanthal asma
Pakshma Kopa – Trichiasis, Districhiasis, Entropion
Read ̵ Ayurveda Eye Treatment Types, Methods – Ashtanga Hrudaya Sutrasthana 23
Dosha kindred and prognosis
Dosha relation in causation of disorders of eyelids and prognosis
Below mentioned disorders are caused by simultaneous vitiation of al thre doshas and are curable.
Vartma Sharkara, Vahala vartma
Vartma bandha, Vartma kar dama, Aklina vartma
Shushkarsha, Arsho vartma, Shyava vartma
Arbuda, Vartmarsha, Visa vartma
Read ̵ Computer Vision Syndrome: Causes, Ayurvedic Remedies, Tips
Disorders caused by vitiated tridoshas but are manageable, not curable. Pakshmakopa
Disorders caused by vitiated blod and are curable.
Read ̵ Watery Eyes: Causes, Ayurvedic Treatment, Remedies
Disorders caused by vitiated kapha and are curable.
Disorders caused by vitiated vata and are incurable.
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