IN-OFFICE SURGICAL PROCEDURES FOR PRESBYOPIA
In-office procedures offer ophthalmic surgeons and patients the greatest flexibility and efficiency of scheduling. Procedures such as YAG capsulotomy, select laser trabeculoplasty, laser pupil iridoplasty, LASIK/PRK/SMILE and minor lid procedures are routinely done within the in-office surgery suite. A large 2016 study demonstrated the safety and outcomes of cataract procedures performed within the surgeon’s office, and the trend of office-based surgery is expected to grow.1,2 The opportunity for same-day procedures is appreciated by patients who travel for care, supports the revenue stream for the surgeon and offers minimal down time for the patient to return to normal activities of daily living.
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THE ZOOMING EYE LENS: Effects of Age on Dynamic Range of Focus
DYNAMIC RANGE OF FOCUS (DRoF), or the total range of clear vision in a natural system, is an important biomechanical function of the accommodative apparatus responsible for adjusting the crystalline lens from both far to near (accommodation) and near to far (disaccommodation). DRoF is defined by true accommodation, pseudoaccommodation, and pupillary diaphragmatic changes, which work together …
read moreDynamic Range of Focus of the Eye: Understanding Biomechanics and Kinematics: Part II
IN PART I OF THIS 3-PART series, we outlined the definition of ocular biomechanics and kinematics and described the mechanical laws under which they operate.1 In this article, we describe the specific elements and motions responsible for achieving Dynamic Range of Focus (DRoF), including the phases of vision from accommodation to disaccommodation (near to far) and disaccommodation …
read moreDr. Robert Ang in CRST
What other future treatments have promise? Laser scleral microporation is under investigation as a laser treatment for patients with emmetropic presbyopia. Four quadrants of the sclera are treated with an Er:YAG laser to uncrosslink the sclera and rejuvenate the accommodative mechanism (see video demonstration below). Treatment does not appear to affect the visual axis or …
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