Cataract is caused due to various factors such as age, trauma, genetics, smoking and substance consumption, and radiation. It is one of the major common ophthalmic diseases worldwide which can potentially affect iris-based biometric systems. India, which hosts the largest biometrics project in the world, has about 8 million people undergoing cataract surgery annually. While existing research sh...

Purpose. To report a modified surgical strategy in the management of intraoperative floppy iris syndrome-associated iris prolapse. Methods. Prolapsed iris is left as is and a new corneal incision near the original wound but at a different site is created. Depending on the location of the original incision and the surgeon's preference, this additional incision can be used as a new port for phaco...

BACKGROUND Biometric methods are security technologies, which use human characteristics for personal identification. Iris recognition systems use iris textures as unique identifiers. This paper presents an analysis of the verification of iris identities after intra-ocular procedures, when individuals were enrolled before the surgery. METHODS Fifty-five eyes from fifty-five patients had their ...

june 2013 CataraCt & refraCtive Surgery today 19 AlAn S. CrAndAll, Md I would plan on using iris hooks to keep the iris from interfering with phacoemulsification, so I would create two extra paracenteses. If the astigmatism were regular, I would implant a toric IOL. If the astigmatism were irregular, I would not address it initially. Given the amount of trauma to the eye, my primary concern wou...

BACKGROUND Proton beam therapy (PBT) is effective in the treatment of iris melanoma. Reported complications after PBT are radiation-induced cataract and raised intraocular pressure (IOP). Filtering glaucoma surgery has generally been avoided because of fears of seeding. CASE REPORT A 37-year-old man presented with a self-discovered, pigmented lesion on his right iris. Four years later, the pi...

Purpose To evaluate the effect of intracameral phenylephrine/ketorolac (1%/0.3%) during cataract surgery on the use of iris fixation ring and surgical time in patients with poor pupil dilation (≤5.0 mm) or intraoperative floppy iris syndrome (IFIS). Setting Private practice outpatient surgical center. Design This retrospective analysis was conducted from January 1, 2014 to October 7, 2015. ...

BACKGROUND Cases of cataract surgery without penetrating keratoplasty in patients with Peters' anomaly are very rare. We report a case of Peters' anomaly type 2 with tilted lens due to synechia between the lens and iris that was treated with cataract surgery without penetrating keratoplasty. CASE PRESENTATION A 16-year-old girl had Peters' anomaly in both eyes. Corneal opacity was severe in t...

PURPOSE To introduce a case of iridoschisis patient who underwent cataract surgery successfully without pupil device. METHODS A 64-year-old female who showed iridoschisis of her both eyes underwent cataract operation at her right eye without a pupillary device. The preoperative and postoperative ophthalmologic examinations including visual acuity, intraocular pressure, reaction of anterior ch...

BACKGROUND Anterior segment imaging using fluorescein angiography is only suitable in lightly pigmented irides as the brown pigmentation of the iris masks fluorescein transmission. Indocyanine green (ICG) angiography has excellent penetration of pigment epithelium and, therefore, has potential application in detecting perfusion changes of dark irides after strabismus surgery. METHODS A prospe...

Intraoperative Floppy Iris Syndrome (IFIS) has received a significant amount of attention and subsequent research since it was first reported in 2005 (Bell et al., 2009; Blouin et al., 2007; Chang & Campbell, 2005; Chang et al., 2007; Oshika et al., 2007; Srinivasan et al., 2007; Takmaz & Can, 2007). Current and former uses of alpha-1 adrenergic receptor (α1AR) antagonists—most notably tamsulos...