If the entire limbus
is affected, alterations such as migration of the conjunctival epithelium to the corneal surface (conjunctivalization), chronic inflammation, vascularization, calcification and ulceration, and corneal melting and perforation tend to occur (DUA & AZUARA-BLANCO, 2000).
Subba, J.R: The Limbus
of the Eastern Himalayas with special reference to Sikkim, Yakthang Mundhum Saplopa, Gangtok, 1999, p.
The symbolic activities and material and their artistic presentation connote common social, cultural, religious and moral purposes and responsibilities of Limbus
. Tongsing is a ritual to appease supernatural agents to avoid befalling distresses, disasters and other probable misfortunes.
The introduction gives a brief statement of what we know of the Limbus
and their history.
Pterygium was Graded depending on the Extent of Corneal Involvement * Grade I- crossing limbus
In case of 20G group, surgery was done after standard conjunctival peritomy and 20G straight scleral incision circumferential to limbus
. All ports and conjunctiva was closed using 7-0 Vicryl suture at the end of procedure.
In order not to cause any corneal injury, the excess conjunctiva was grasped 5 mm away from the limbus
at the inferotemporal region and coagulated with low-voltage manual electrocautery.
This discrepancy in placement of scleral suture, either due to the distance from limbus
or angular position, can cause IOL decentration and tilt .
Here, we will focus on the role of the external limbus
and especially the residing stem cells in forming a barrier against neovascularisation.
Caption: Figure 1: Photograph showing the infusion cannula placed superiorly 3 mm from the sclerocorneal limbus
at the 2 o'clock position and the hemorrhagic fluid egressing the eye through the 25 Ga needle placed inferiorly.
Appropriate length of pedicle was estimated by visualizing an imaginary horizontal line extending from ventral aspect of corneal lesion to lateral aspect of limbus
. The pedicle was prepared from dorsomedial (Fig.3 and Fig.4) aspect of bulbar conjunctiva by measuring required length, by making small finger shaped conjunctival cut perpendicular to limbus
Basu had previously developed a technique to obtain ocular stem cells from tiny biopsies at the surface of the eye and a region between the cornea and sclera known as the limbus
. Removal of tissue from this region heals rapidly with little discomfort and no disruption of vision.