We read the editorial by Katz and associates with great interest and appreciate their perspective. So that readers may better judge the perils of glaucoma surgical outcome analysis, we offer…

We thank our colleagues for their suggestions. Although many of the points made are already addressed in our article, we largely agree with their comments and would like to add…

We read with great interest the article by Daoud and associates. We congratulate the authors for an excellent discussion of this controversial issue. We have a few suggestions as well….

From a statistical point of view, Drs Sueke and Chandna are completely correct about their conclusions. However, Horner syndrome is a rare and life-threatening disease, so we need a more…

Chen and associates reported on the efficacy and safety of apraclonidine 0.5% in diagnosing Horner syndrome in children under high and low illumination. They describe a prospective study comparing 10…

We are encouraged by the interest shown by Nowroozzadeh in our article describing the relationship of retinal vascular caliber with optic disc and macular structure. He has offered additional possible…

I write concerning the article by Lim and associates about the relation of retinal vascular caliber with optic disc and macular structure. They found that larger cup-to-disc ratios and thinner…

One can not automatically assume that a failure to show a difference in efficacy implies equally effective treatments. Those who fully read the article will know that the statistical analysis…

Subramanian and associates report that their randomized controlled trial originally was powered on the basis of an overall sample size of 135 patients (90 in the bevacizumab group and 45…