Author: CRST

Corneal Collagen Cross-Linking: a Review

Last year, this column’s “Corneal Collagen Cross-Linking for Keratoconus and Ectasia” focused primarily
on the science behind cross-linking, because there were few articles available involving long-term human
data after treatment. Now,…

Complications From Prior Cataract Surgery

Cataract surgery is a safe procedure with a long
track record of success, but like every surgery,
it carries some degree of risk. Multiple comorbidities
in a patient may predispose him or her
to complications, as in this case. In addition to p…

Refractive Surprises Are Inevitable

Refractive surprises are possible with any IOL, but
predictability is lower in patients who previously
underwent LASIK or another cornea-altering procedure.
When they elect a presbyopia-correcting
IOL, however, patients’ expectations are hig…

Exchanging a Presbyopia- Correcting IOL

The indications for exchanging a monofocal lens
tend to be for malpositioning, significant IOLinduced
anisometropia, or dysphotopsia.
Whether valid or not, there is an unspoken opinion
that the need to perform an IOL exchange is in some
way r…

Traumatic Cataract and Mydriasis

A68-year-old physician had suffered a bungee
cord injury to his right eye 8 months prior to
surgery. He had symptoms of bothersome glare
and photophobia due to a traumatic mydriasis
that left him with a pupil permanently dilated to 7 mm
in di…

Glare After Damage to the Iris

A51-year-old woman referred to me from the
Sunshine State had undergone cataract surgery
in her left eye. Unfortunately during the procedure,
the iris was damaged, leading to severe
glare and profound functional disability. Her visual acuity

Unexpected IFIS

Chang and Campbell defined intraoperative floppy
iris syndrome (IFIS) as shrinking of the pupil
in combination with billowing and prolapse of
the iris during cataract surgery.1 I personally
define IFIS as the case poised to derail m…