HapticV1, PascalFrancis, Corpus, bibRecord, 001666

The torque and tilt gamble

Identifieur interne : 001666 ( PascalFrancis/Corpus ); précédent : 001665; suivant : 001667

The torque and tilt gamble

Auteurs : K. D. Teichmann ; I. A. M. Teichmann

Source :

Journal of cataract and refractive surgery [ 0886-3350 ] ; 1997.

RBID : Pascal:97-0376780

Descripteurs français

Pascal (Inist)
- Implantation, Lentille intraoculaire, Chambre postérieure, Suture chirurgicale, Configuration, Inclinaison, Fil, Modèle.

English descriptors

KwdEn :
- Configuration, Implantation, Intraocular lens, Models, Posterior chamber, Suturation, Thread, Tilt.

Abstract

Purpose: To analyze possible suture configurations at the haptics of posterior chamber intraocular lenses (lOLs) and estimate the resulting tilt. Setting: King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. Methods: Using a plastic cylinder with two pairs of holes drilled on opposite sides and an IOL with eyelets in the haptics, we determined possible suture configurations and analyzed them for net torque on the IOL haptics that would result in tilting of the optic. Results: We identified 64 combinations of regular and countless combinations of irregular suture configurations. Among the 16 most likely combinations, only 4 were torque-free (or torque neutral), 2 caused maximum tilt, and 10 induced some tilting. Theoretically, torque could be eliminated by radial suture placement, but this is anatomically undesirable, and by positioning the eyelet perpendicular to the haptic, but this is technically difficult. Longer suture bites tended to lessen the torsion on the haptic but increased the risk of the suture looping around the free end of the haptic. Conclusion: Surgeons using scleral fixation of a posterior chamber IOL should be aware of the possibility of inducing tilt and should aim for symmetrical suture configurations at the two haptics.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0886-3350`
A02	`01`			`@0 JCSUEV`
A03		`1`		`@0 J. cataract refractive surg.`
A05				`@2 23`
A06				`@2 3`
A08	`01`	`1`	`ENG`	`@1 The torque and tilt gamble`
A11	`01`	`1`		`@1 TEICHMANN (K. D.)`
A11	`02`	`1`		`@1 TEICHMANN (I. A. M.)`
A14	`01`			`@1 King Khaled Eye Specialist Hospital, PO Box 7191 @2 Riyadh 11462 @3 SAU @Z 1 aut.`
A20				`@1 413-418`
A21				`@1 1997`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 20937 @5 354000067327970140`
A44				`@0 0000 @1 © 1997 INIST-CNRS. All rights reserved.`
A45				`@0 19 ref.`
A47	`01`	`1`		`@0 97-0376780`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Journal of cataract and refractive surgery`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 Purpose: To analyze possible suture configurations at the haptics of posterior chamber intraocular lenses (lOLs) and estimate the resulting tilt. Setting: King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. Methods: Using a plastic cylinder with two pairs of holes drilled on opposite sides and an IOL with eyelets in the haptics, we determined possible suture configurations and analyzed them for net torque on the IOL haptics that would result in tilting of the optic. Results: We identified 64 combinations of regular and countless combinations of irregular suture configurations. Among the 16 most likely combinations, only 4 were torque-free (or torque neutral), 2 caused maximum tilt, and 10 induced some tilting. Theoretically, torque could be eliminated by radial suture placement, but this is anatomically undesirable, and by positioning the eyelet perpendicular to the haptic, but this is technically difficult. Longer suture bites tended to lessen the torsion on the haptic but increased the risk of the suture looping around the free end of the haptic. Conclusion: Surgeons using scleral fixation of a posterior chamber IOL should be aware of the possibility of inducing tilt and should aim for symmetrical suture configurations at the two haptics.
C02	`01`	`X`		`@0 002B25B`
C03	`01`	`X`	`FRE`	`@0 Implantation @5 01`
C03	`01`	`X`	`ENG`	`@0 Implantation @5 01`
C03	`01`	`X`	`SPA`	`@0 Implantación @5 01`
C03	`02`	`X`	`FRE`	`@0 Lentille intraoculaire @5 02`
C03	`02`	`X`	`ENG`	`@0 Intraocular lens @5 02`
C03	`02`	`X`	`SPA`	`@0 Lente intraocular @5 02`
C03	`03`	`X`	`FRE`	`@0 Chambre postérieure @5 03`
C03	`03`	`X`	`ENG`	`@0 Posterior chamber @5 03`
C03	`03`	`X`	`SPA`	`@0 Cámara posterior @5 03`
C03	`04`	`X`	`FRE`	`@0 Suture chirurgicale @5 04`
C03	`04`	`X`	`ENG`	`@0 Suturation @5 04`
C03	`04`	`X`	`SPA`	`@0 Sutura quirúrgica @5 04`
C03	`05`	`X`	`FRE`	`@0 Configuration @5 05`
C03	`05`	`X`	`ENG`	`@0 Configuration @5 05`
C03	`05`	`X`	`SPA`	`@0 Configuración @5 05`
C03	`06`	`X`	`FRE`	`@0 Inclinaison @5 07`
C03	`06`	`X`	`ENG`	`@0 Tilt @5 07`
C03	`06`	`X`	`SPA`	`@0 Inclinación @5 07`
C03	`07`	`X`	`FRE`	`@0 Fil @5 08`
C03	`07`	`X`	`ENG`	`@0 Thread @5 08`
C03	`07`	`X`	`SPA`	`@0 Hilo @5 08`
C03	`08`	`X`	`FRE`	`@0 Modèle @5 10`
C03	`08`	`X`	`ENG`	`@0 Models @5 10`
C03	`08`	`X`	`SPA`	`@0 Modelo @5 10`
C07	`01`	`X`	`FRE`	`@0 Chirurgie @5 37`
C07	`01`	`X`	`ENG`	`@0 Surgery @5 37`
C07	`01`	`X`	`SPA`	`@0 Cirugía @5 37`
N21				`@1 223`

Format Inist (serveur)

NO :	PASCAL 97-0376780 INIST
ET :	The torque and tilt gamble
AU :	TEICHMANN (K. D.); TEICHMANN (I. A. M.)
AF :	King Khaled Eye Specialist Hospital, PO Box 7191/Riyadh 11462/Arabie Saoudite (1 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of cataract and refractive surgery; ISSN 0886-3350; Coden JCSUEV; Etats-Unis; Da. 1997; Vol. 23; No. 3; Pp. 413-418; Bibl. 19 ref.
LA :	Anglais
EA :	Purpose: To analyze possible suture configurations at the haptics of posterior chamber intraocular lenses (lOLs) and estimate the resulting tilt. Setting: King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. Methods: Using a plastic cylinder with two pairs of holes drilled on opposite sides and an IOL with eyelets in the haptics, we determined possible suture configurations and analyzed them for net torque on the IOL haptics that would result in tilting of the optic. Results: We identified 64 combinations of regular and countless combinations of irregular suture configurations. Among the 16 most likely combinations, only 4 were torque-free (or torque neutral), 2 caused maximum tilt, and 10 induced some tilting. Theoretically, torque could be eliminated by radial suture placement, but this is anatomically undesirable, and by positioning the eyelet perpendicular to the haptic, but this is technically difficult. Longer suture bites tended to lessen the torsion on the haptic but increased the risk of the suture looping around the free end of the haptic. Conclusion: Surgeons using scleral fixation of a posterior chamber IOL should be aware of the possibility of inducing tilt and should aim for symmetrical suture configurations at the two haptics.
CC :	002B25B
FD :	Implantation; Lentille intraoculaire; Chambre postérieure; Suture chirurgicale; Configuration; Inclinaison; Fil; Modèle
FG :	Chirurgie
ED :	Implantation; Intraocular lens; Posterior chamber; Suturation; Configuration; Tilt; Thread; Models
EG :	Surgery
SD :	Implantación; Lente intraocular; Cámara posterior; Sutura quirúrgica; Configuración; Inclinación; Hilo; Modelo
LO :	INIST-20937.354000067327970140
ID :	97-0376780

Links to Exploration step

Pascal:97-0376780

Le document en format XML

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<front><div type="abstract" xml:lang="en">Purpose: To analyze possible suture configurations at the haptics of posterior chamber intraocular lenses (lOLs) and estimate the resulting tilt. Setting: King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. Methods: Using a plastic cylinder with two pairs of holes drilled on opposite sides and an IOL with eyelets in the haptics, we determined possible suture configurations and analyzed them for net torque on the IOL haptics that would result in tilting of the optic. Results: We identified 64 combinations of regular and countless combinations of irregular suture configurations. Among the 16 most likely combinations, only 4 were torque-free (or torque neutral), 2 caused maximum tilt, and 10 induced some tilting. Theoretically, torque could be eliminated by radial suture placement, but this is anatomically undesirable, and by positioning the eyelet perpendicular to the haptic, but this is technically difficult. Longer suture bites tended to lessen the torsion on the haptic but increased the risk of the suture looping around the free end of the haptic. Conclusion: Surgeons using scleral fixation of a posterior chamber IOL should be aware of the possibility of inducing tilt and should aim for symmetrical suture configurations at the two haptics.</div>
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<server><NO>PASCAL 97-0376780 INIST</NO>
<ET>The torque and tilt gamble</ET>
<AU>TEICHMANN (K. D.); TEICHMANN (I. A. M.)</AU>
<AF>King Khaled Eye Specialist Hospital, PO Box 7191/Riyadh 11462/Arabie Saoudite (1 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of cataract and refractive surgery; ISSN 0886-3350; Coden JCSUEV; Etats-Unis; Da. 1997; Vol. 23; No. 3; Pp. 413-418; Bibl. 19 ref.</SO>
<LA>Anglais</LA>
<EA>Purpose: To analyze possible suture configurations at the haptics of posterior chamber intraocular lenses (lOLs) and estimate the resulting tilt. Setting: King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia. Methods: Using a plastic cylinder with two pairs of holes drilled on opposite sides and an IOL with eyelets in the haptics, we determined possible suture configurations and analyzed them for net torque on the IOL haptics that would result in tilting of the optic. Results: We identified 64 combinations of regular and countless combinations of irregular suture configurations. Among the 16 most likely combinations, only 4 were torque-free (or torque neutral), 2 caused maximum tilt, and 10 induced some tilting. Theoretically, torque could be eliminated by radial suture placement, but this is anatomically undesirable, and by positioning the eyelet perpendicular to the haptic, but this is technically difficult. Longer suture bites tended to lessen the torsion on the haptic but increased the risk of the suture looping around the free end of the haptic. Conclusion: Surgeons using scleral fixation of a posterior chamber IOL should be aware of the possibility of inducing tilt and should aim for symmetrical suture configurations at the two haptics.</EA>
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The torque and tilt gamble

The torque and tilt gamble

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Descripteurs français

English descriptors

Abstract

Notice en format standard (ISO 2709)

Format Inist (serveur)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri