Facilitated trailing haptic externalization technique for intrascleral intraocular lens fixation. 2023

Fikret Ucar
Ophthalmology Department, 590009Konyagoz Eye Hospital, Konya, Turkey.

OBJECTIVE To describe the facilitated trailing haptic externalization technique for intrascleral intraocular lens (IOL) fixation. METHODS In this technique, first the direction of the 4-5 mm tip of the trailing haptic is straightened with the help of forceps. After the second needle enters the posterior chamber, the edge of the IOL optic is pushed towards the opposite scleral tunnel with the needle. The trailing haptic approaching the center from the periphery and the straightened distal part of the haptic towards the direction of the needle facilitate the relatively easily and gently placing of the haptic into the lumen with a one-time use of forceps. RESULTS This technique was performed on 65 eyes of 58 patients, with a mean patient age of 53.0 ± 14.6 years (range, 22-78). No complications such as endothelial touch, vitreous loss, iris or ciliary body damage, and hyphema were encountered during surgery. The mean operation duration was 14.8 ± 2.3 min (range, 12-20). In the postoperative period, there was only mild postoperative anterior chamber reaction in all eyes. Postoperative transient intraocular pressure (IOP) elevation that responded well to topical antiglucomatous therapy was observed in only two cases (3%). No patient developed haptic exposure, IOL dislocation, iris capture, postoperative hypotony, vitreous hemorrhage, choroidal effusion, cystoid macular edema, or retinal detachment. CONCLUSIONS The facilitated trailing haptic externalization technique provides a safer, simpler, and minimally invasive surgery without significant complications while easing the surgical difficulties of the Yamane technique.

UI MeSH Term Description Entries
D007498 Iris The most anterior portion of the uveal layer, separating the anterior chamber from the posterior. It consists of two layers - the stroma and the pigmented epithelium. Color of the iris depends on the amount of melanin in the stroma on reflection from the pigmented epithelium.
D007910 Lenses, Intraocular Artificial implanted lenses. Implantable Contact Lens,Lens, Intraocular,Contact Lens, Implantable,Intraocular Lens,Intraocular Lenses,Lens, Implantable Contact
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000089862 Haptic Technology The study of the use of touch and KINESTHESIS in order to produce HAPTIC COMPUTER INTERFACES that will allow users to interact with digital objects by kinesthetic feedback, force feedback, and tactile feedback. Haptic Communication Technology,Haptic Feedback Technology,Haptic Perception Technology,Haptics,Touch Feedback Technology,Communication Technologies, Haptic,Communication Technology, Haptic,Haptic Communication Technologies,Haptic Feedback Technologies,Haptic Perception Technologies,Haptic Technologies,Perception Technologies, Haptic,Perception Technology, Haptic,Technologies, Haptic,Technologies, Haptic Communication,Technologies, Haptic Feedback,Technologies, Haptic Perception,Technologies, Touch Feedback,Technology, Haptic,Technology, Haptic Communication,Technology, Haptic Feedback,Technology, Haptic Perception,Technology, Touch Feedback,Touch Feedback Technologies
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D012590 Sclera The white, opaque, fibrous, outer tunic of the eyeball, covering it entirely excepting the segment covered anteriorly by the cornea. It is essentially avascular but contains apertures for vessels, lymphatics, and nerves. It receives the tendons of insertion of the extraocular muscles and at the corneoscleral junction contains the CANAL OF SCHLEMM. (From Cline et al., Dictionary of Visual Science, 4th ed) Scleral Spur,Scleral Spurs,Scleras
D013536 Suture Techniques Techniques for securing together the edges of a wound, with loops of thread or similar materials (SUTURES). Suture Technics,Suture Technic,Suture Technique,Technic, Suture,Technics, Suture,Technique, Suture,Techniques, Suture

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