Panorama of limbal changes

Corneal topographic changes in a case of limbal conjunctival carcinoma.

PURPOSE To describe topographic changes in a case of limbal conjunctival carcinoma. METHODS Corneal topography was performed before and 3 months after excision. RESULTS Preoperative topography revealed a localized flattening (37.1 diopters [D]) adjacent to the tumor and extending to the corneal apex, causing a 3-diopter asymmetric with-the-rule astigmatism. Preoperative corneal curvature wa...

Panorama of zeta functions

Relativistic Panorama

In freshman general physics, the professor briefly touched Einstein’s relativity and pointed out that if there were a fat person walking at the speed of light, he would look as thin as a piece of paper! This effect is called Lorenz contraction. The reason is roughly that the time and space is mixed at high speed and that we can “see” time as a negative spatial length. Hence we want to see some ...

A Panorama of Cloud Services

Cloud computing paradigm has attracted a lot of attention in the last five years as coming during an economic crisis with an appealing offer in reducing the infrastructure and maintenance costs. After first wave of enthusiasm in adopting the concept, a clearer image has been formed about the benefits and limitations of Cloud computing and a lot of different supporting technologies were develope...

Comparison of Ultra Structure and Gene Expression of Cultured Limbal Stem Cells and Fresh Conjunctival, Limbal and Corneal Tissues

Purpose: The present study intends to show the characteristics of cultured limbal stem cell (CLSCs) and to compare them with normal Conjunctival (C), Limbal (L) and Cornea (K) tissues. Materials and Methods: The expressions of a set of genes potentially involved in differentiation and stemness function of limbal stem cells were assessed in freshly prepared limbal, corneal, and conjunctival tis...