A cornerstone of successful laser vision correction is the accurate centration of the ablation zone over the entrance pupil. Symptoms of poor visual acuity, poor quality of vision, loss of contrast sensitivity, halos/glare/starbursts, and multiple…
Month: May 2011
Clear the Runway for a Flying Eye Hospital
hat is perhaps the most singular DC-10 aircraft in today’s skies carries a team of international ophthalmic experts each year to between eight and 10 developing countries worldwide. These volunteer medical professionals provide ophthalmic surgic…
Focus on Complications and Complexity: Battling Post-LASIK Striae
n my experience, the incidence of micro- or macro-striae in the LASIK flap has decreased significantly over the past 5 years. I attribute this change to surgeons’ having successfully recognized, managed, and, finally, mostly prevented the occurr…
Making Phacoemulsification Safer
Advances in phaco machine modalities have made the procedure much safer. For example, whether you are using a bimanual or coaxial technique, smaller incisions reduce the amount of fluid in the eye, making the chamber more of a closed system. Small…
Focus on Complications and Complexity: Corneal Epithelial Defects Associated With LASIK
A LASIK-associated corneal epithelial defect is a potentially significant complication that may result in suboptimal visual results. This article discusses the etiology, management, and prevention of this clinical challenge.
h4CLASSIFICAT…
Chopping 101
Prior to 1993, the most common technique for nuclear disassembly was probably divide and conquer. Surgeons would sculpt four trenches in the nucleus and then crack them apart to create four triangular segments,sup1/sup each of which was emulsi…
Focus on Complications and Complexity: Managing Infectious Keratitis
Infectious keratitis is a rare but sight-threatening complication of LASIK. Its incidence has risen during the past decade, and trends in causative organisms sup1/sup have shifted. The prompt diagnosis of the condition and the early initiation…
Focus on Complications and Complexity: Excimer Laser Enhancement After RK
PI have performed tens of thousands of RK surgeries over the years, and I have had to provide excimer laser enhancements to some of these patients. This article reviews the necessary workup and discusses the appropriate options for treatment.
…
Focus on Complications and Complexity: Dry Eye After LASIK
Essentially all patients have dry eyes at least transiently after LASIK.sup1/sup Dry eye disease is arguably the
most common problem facing refractive surgeons 2-4 today. Because the cornea overlying the flap is significantly anesthetic for 3…
Innovations
h3Head Mounted Perimetry/h3
NovaVision, Inc. (Boca Raton, FL), introduced the Head Mounted Perimetry (HMP)—a portable, wireless device that aids in the profes- sional assessment and early detection of glaucoma, ambly- opia, and visual field…
Complex Case Management: Incomplete Flap due to Lost Suction
h4CASE PRESENTATION/h4
A 40-year-old man underwent attempted LASIK with laser flap creation. His preoperative manifest and cycloplegic refractions were -4.00 D OU. Central corneal thickness measured 530 μm. Topography showed regular with-the…
Advancing Your Surgical Skills
In cataract surgery, the initial part of the learning curve is steep, which is why ophthalmic training programs provide close supervision in the OR. During the first 100 cataract cases, residents learn basic concepts under the active guidance of a…
Complex Case Management: Cataract and a Tube Shunt
h4CASE PRESENTATION/h4
A 65-year-old woman presents with decreased vision due to cataracts. She relates a past ocular history of glaucoma surgery several years ago on her left eye. She also has a history of trauma to that eye.
The p…
Chief Medical Editor’s Page
A revolution is taking place in ophthalmology that
will transform our treatment of one of the most important and visually challenging diseases that we address on a daily basis. You are now considering a variety of surgical maladies, probably star…
Knowledge Without Delay
One of the major benefits of Eyetube.net is that doctors need not wait for meetings to review new videos on advanced surgical techniques or learn of developments in patients’ care. Additionally, Eyetube.net now has a channel that focuses on majo…
The Basics of Phacoemulsification
Consistently successful phacoemulsification begins with preoperative planning. The key surgical steps are (1) anesthesia, (2) prepping, draping, and the microscope’s setup, (3) the incision, (4) the capsulorhexis, (5) nuclear disassembly, (6) co…
Laser Cataract Surgery: Initial Reactions
emLaser cataract surgery is just getting its start. What do you anticipate will be the benefits of, challenges of, negative aspects of, or other issues with this surgical approach in the short term (1-2 years) and the long term (3-10 years)?/em
…
Managing Challenging Cataract Cases
Undoubtedly, the best preparation for the challenging cataract is experience. Sage advice for approaching a particularly difficult upcoming case early in your career, then, is to swallow your pride and refer the patient to a more experienced surge…
New Gene Regions Linked to CAD
An international research consortium has identified 13
new gene regions linked to coronary artery disease (CAD)
and has validated 10 previously discovered sites, according
to a study published in Nature Genetics.sup1/sup
The investigators performed a m…
London Eye Hospital Performs First Bifocal LAL Eye Surgery
The London Eye Hospital has completed the world’s first
bifocal Light Adjustable Lens (LAL; Calhoun Vision, Inc.,
Pasadena, California) eye surgery apart from clinical trials,
the hospital announced in a news release. Bobby Qureshi,
BSc, MBBS, FRCS, …