PURPOSE To determine whether pupil enlargement during phacotrabeculectomy affects postoperative visual acuity and intraocular pressure (IOP) compared to combined surgery without pupil enlargement. METHODS A retrospective study of 74 patients who underwent combined phacotrabeculectomy with (37 eyes) or without (37 eyes) pupil enlargement was performed. Postoperative outcome measures included b...

Abstract We describe a new algorithm for computing Whitney stratifications of complex projective varieties. The main ingredients are (a) an algebraic criterion, due to Lê and Teissier, which reformulates regularity in terms conormal spaces maps, (b) interpretation this criterion via ideal saturations, can be practically implemented on computer. show that improves upon the existing state art by ...

The classical Whitney formula relates the algebraic number of self-intersections of a generic plane curve to its winding number. We generalize it to an innnite family of identities, expressing the winding number in terms of the internal geometry of a plane curve. This enables us to split the Whit-ney formula by some characteristic of double points. It turns out, that only crossings of a very sp...