Dr. Chang is a subinvestigator in numerous clinical trials. He is immediate past president of New Jersey Academy of Optometry, and an advisory board member for International Keratoconus Academy for Eye Care Professionals (IKA), Gas Permeable Lens Institut
Considering scleral lenses for astigmatic patientsSeptember 21st 2017
We have witnessed a rise in clinical utilization of scleral lenses in recent years, and in some cases, their clinical indications have expanded to include even those patients with regular corneas. Given this sharp rise in scleral lens utilization, the principle of lens selection continuum as proposed by Visser et al appears to also hold true in patients with normal healthy eyes. Thus, when should clinicians reach for scleral lenses when providing care to patients with regular corneas?
Extended depth-of-focus IOLs may provide improved visual performanceOctober 18th 2016
As your patients celebrate another birthday milestone, they are again back in your chair wondering why their reading glasses mysteriously disappear when they are out exploring life or why their arms are not as long as they used to be.