Publications by authors named "Carolyn Isbister"

Objective: To assess residual postoperative refractive astigmatism following bilateral implantation of a trifocal toric intraocular lens (IOL) in a real-world multisurgeon setting.

Design: Prospective multisurgeon study (6 surgeons at 2 sites).

Methods: Bilateral implantation of a trifocal toric IOL (AcrySof PanOptix IOL; Alcon Vision LLC, Fort Worth, TX, USA) was performed in 140 eyes of 70 patients.

View Article and Find Full Text PDF

Purpose: To compare the sensitivity and specificity of the Optomap Panoramic200 wide-field confocal scanning laser imaging system for detecting peripheral retinal lesions.

Methods: Optomap images were obtained in patients with known retinal pathology. Two masked retinal specialists evaluated Optomap images to identify lesions requiring referral to a retinal specialist.

View Article and Find Full Text PDF

Background: To compare the safety and efficacy of silicone and polypropylene Ahmed glaucoma drainage devices.

Methods: We studied a retrospective consecutive case series of 91 eyes of 81 patients who were implanted with Ahmed valves by a single surgeon (R.M.

View Article and Find Full Text PDF

Gradients of chemotropic molecules are generally thought to be fundamental for the guidance of neuronal growth cones in the developing embryo. Here we show that the grasshopper-secreted semaphorin Sema 2a is expressed in a gradient during the period of tibial Ti1 pioneer axon pathfinding into the CNS. At two critical Ti1 growth cone choice points, the Sema 2a gradient differs in steepness, whereas the absolute concentration is the same.

View Article and Find Full Text PDF