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Postoperative intraocular lens rotation : A randomized comparison of Plate and loop haptic implants. Discussion

Identifieur interne : 001513 ( PascalFrancis/Corpus ); précédent : 001512; suivant : 001514

Postoperative intraocular lens rotation : A randomized comparison of Plate and loop haptic implants. Discussion

Auteurs : C. K. Patel ; S. Ormonde ; P. H. Rosen ; A. J. Bron ; D. J. Apple

Source :

RBID : Pascal:00-0006847

Descripteurs français

English descriptors

Abstract

Objective: To compare the postoperative rotation of plate and loop haptic implants of spherical power to ascertain the optimal design appropriate for toric intraocular lenses (lOLs). Design: Randomized, controlled trial. Participants: Forty-eight patients attending for routine cataract surgery by phacoemulsification. Method: Patients with cataract as the only ocular disease were randomly implanted with plate or loop haptic implants after uncomplicated phacoemulsification. The baseline position of the IOL was determined from a video frame acquired at the conclusion of surgery. Postoperative IOL position was documented using digital retroillumination images at 2 weeks and 6 months after surgery. Capsular fusion patterns were recorded using slit-lamp biomicroscopy. Correlation of IOL rotation with axial length, capsular contraction, and fusion was attempted. Main Outcome Measures: Early IOL rotation, occurring between surgery and 2 weeks after surgery, was graded as mild (<10°), moderate (10°< to <30°), or severe (>30°) by a semiobjective online comparison of the images. Late IOL rotation, occurring between 2 weeks and 6 months, was measured more precisely using software developed specifically for the study. Results: Twenty-three patients were allocated the loop haptic and 25 the plate haptic IOL. The groups were comparable for demographic variables and numbers of patients excluded from analysis (P > 0.05). Five (24%) of 21 of plate haptic lOLs underwent severe early rotation compared to 2 (9%) of 22 loop haptics (P = 0.36). The median late rotation was 6.8° for loop haptics compared to 0.6° for plate haptics (P = 0.0073). Between 2 weeks and 6 months, anticlockwise rotation had occurred in 16 (89%) of 18 loop haptic lOLs compared to 11 (52%) of 21 plate haptic lOLs (P = 0.0081). Conclusions: Plate haptic lOLs show greater rotational stability than do loop haptics made from polypropylene once capsular fusion has taken place. Loop haptics invariably rotate anticlockwise after 2 weeks.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A01 01  1    @0 0161-6420
A02 01      @0 OPHTDG
A03   1    @0 Ophthalmology : (Rochester MN)
A05       @2 106
A06       @2 11
A08 01  1  ENG  @1 Postoperative intraocular lens rotation : A randomized comparison of Plate and loop haptic implants. Discussion
A11 01  1    @1 PATEL (C. K.)
A11 02  1    @1 ORMONDE (S.)
A11 03  1    @1 ROSEN (P. H.)
A11 04  1    @1 BRON (A. J.)
A11 05  1    @1 APPLE (D. J.) @9 comment.
A14 01      @1 Oxford Eye Hospital, Radcliffe Infirmary @2 Oxford @3 GBR @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut.
A14 02      @1 Storm Eye Institute, Department of Ophthalmology, Medical College of South Carolina, 167 Ashley Avenue, Box 250676 @2 Charleston, SC 29425 @3 USA @Z 5 aut.
A20       @1 2190-2196
A21       @1 1999
A23 01      @0 ENG
A43 01      @1 INIST @2 18914 @5 354000080356520270
A44       @0 0000 @1 © 2000 INIST-CNRS. All rights reserved.
A45       @0 18 ref.
A47 01  1    @0 00-0006847
A60       @1 P @3 AR @3 CT
A61       @0 A
A64 01  1    @0 Ophthalmology : (Rochester, MN)
A66 01      @0 USA
C01 01    ENG  @0 Objective: To compare the postoperative rotation of plate and loop haptic implants of spherical power to ascertain the optimal design appropriate for toric intraocular lenses (lOLs). Design: Randomized, controlled trial. Participants: Forty-eight patients attending for routine cataract surgery by phacoemulsification. Method: Patients with cataract as the only ocular disease were randomly implanted with plate or loop haptic implants after uncomplicated phacoemulsification. The baseline position of the IOL was determined from a video frame acquired at the conclusion of surgery. Postoperative IOL position was documented using digital retroillumination images at 2 weeks and 6 months after surgery. Capsular fusion patterns were recorded using slit-lamp biomicroscopy. Correlation of IOL rotation with axial length, capsular contraction, and fusion was attempted. Main Outcome Measures: Early IOL rotation, occurring between surgery and 2 weeks after surgery, was graded as mild (<10°), moderate (10°< to <30°), or severe (>30°) by a semiobjective online comparison of the images. Late IOL rotation, occurring between 2 weeks and 6 months, was measured more precisely using software developed specifically for the study. Results: Twenty-three patients were allocated the loop haptic and 25 the plate haptic IOL. The groups were comparable for demographic variables and numbers of patients excluded from analysis (P > 0.05). Five (24%) of 21 of plate haptic lOLs underwent severe early rotation compared to 2 (9%) of 22 loop haptics (P = 0.36). The median late rotation was 6.8° for loop haptics compared to 0.6° for plate haptics (P = 0.0073). Between 2 weeks and 6 months, anticlockwise rotation had occurred in 16 (89%) of 18 loop haptic lOLs compared to 11 (52%) of 21 plate haptic lOLs (P = 0.0081). Conclusions: Plate haptic lOLs show greater rotational stability than do loop haptics made from polypropylene once capsular fusion has taken place. Loop haptics invariably rotate anticlockwise after 2 weeks.
C02 01  X    @0 002B25B
C03 01  X  FRE  @0 Lentille intraoculaire @5 01
C03 01  X  ENG  @0 Intraocular lens @5 01
C03 01  X  SPA  @0 Lente intraocular @5 01
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C03 02  X  ENG  @0 Posterior chamber @5 02
C03 02  X  SPA  @0 Cámara posterior @5 02
C03 03  X  FRE  @0 Cataracte @5 04
C03 03  X  ENG  @0 Cataract @5 04
C03 03  X  SPA  @0 Catarata @5 04
C03 04  X  FRE  @0 Traitement @5 05
C03 04  X  ENG  @0 Treatment @5 05
C03 04  X  SPA  @0 Tratamiento @5 05
C03 05  X  FRE  @0 Rotation @5 06
C03 05  X  ENG  @0 Rotation @5 06
C03 05  X  SPA  @0 Rotación @5 06
C03 06  X  FRE  @0 Postopératoire @5 07
C03 06  X  ENG  @0 Postoperative @5 07
C03 06  X  SPA  @0 Postoperatorio @5 07
C03 07  X  FRE  @0 Complication @5 08
C03 07  X  ENG  @0 Complication @5 08
C03 07  X  SPA  @0 Complicación @5 08
C03 08  X  FRE  @0 Iatrogène @5 09
C03 08  X  ENG  @0 Iatrogenic @5 09
C03 08  X  SPA  @0 Iatrógeno @5 09
C03 09  X  FRE  @0 Etude comparative @5 10
C03 09  X  ENG  @0 Comparative study @5 10
C03 09  X  SPA  @0 Estudio comparativo @5 10
C03 10  X  FRE  @0 Implant @5 11
C03 10  X  ENG  @0 Implant @5 11
C03 10  X  SPA  @0 Implante @5 11
C03 11  X  FRE  @0 Homme @5 20
C03 11  X  ENG  @0 Human @5 20
C03 11  X  SPA  @0 Hombre @5 20
C07 01  X  FRE  @0 Chirurgie @5 37
C07 01  X  ENG  @0 Surgery @5 37
C07 01  X  SPA  @0 Cirugía @5 37
C07 02  X  FRE  @0 Oeil pathologie @5 45
C07 02  X  ENG  @0 Eye disease @5 45
C07 02  X  SPA  @0 Ojo patología @5 45
C07 03  X  FRE  @0 Cristallin pathologie @5 46
C07 03  X  ENG  @0 Lens disease @5 46
C07 03  X  SPA  @0 Cristalino patología @5 46
C07 04  X  FRE  @0 Segment antérieur pathologie @2 NM @5 47
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C07 04  X  SPA  @0 Segmento anterior patología @2 NM @5 47
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Format Inist (serveur)

NO : PASCAL 00-0006847 INIST
ET : Postoperative intraocular lens rotation : A randomized comparison of Plate and loop haptic implants. Discussion
AU : PATEL (C. K.); ORMONDE (S.); ROSEN (P. H.); BRON (A. J.); APPLE (D. J.)
AF : Oxford Eye Hospital, Radcliffe Infirmary/Oxford/Royaume-Uni (1 aut., 2 aut., 3 aut., 4 aut.); Storm Eye Institute, Department of Ophthalmology, Medical College of South Carolina, 167 Ashley Avenue, Box 250676/Charleston, SC 29425/Etats-Unis (5 aut.)
DT : Publication en série; Article; Commentaire; Niveau analytique
SO : Ophthalmology : (Rochester, MN); ISSN 0161-6420; Coden OPHTDG; Etats-Unis; Da. 1999; Vol. 106; No. 11; Pp. 2190-2196; Bibl. 18 ref.
LA : Anglais
EA : Objective: To compare the postoperative rotation of plate and loop haptic implants of spherical power to ascertain the optimal design appropriate for toric intraocular lenses (lOLs). Design: Randomized, controlled trial. Participants: Forty-eight patients attending for routine cataract surgery by phacoemulsification. Method: Patients with cataract as the only ocular disease were randomly implanted with plate or loop haptic implants after uncomplicated phacoemulsification. The baseline position of the IOL was determined from a video frame acquired at the conclusion of surgery. Postoperative IOL position was documented using digital retroillumination images at 2 weeks and 6 months after surgery. Capsular fusion patterns were recorded using slit-lamp biomicroscopy. Correlation of IOL rotation with axial length, capsular contraction, and fusion was attempted. Main Outcome Measures: Early IOL rotation, occurring between surgery and 2 weeks after surgery, was graded as mild (<10°), moderate (10°< to <30°), or severe (>30°) by a semiobjective online comparison of the images. Late IOL rotation, occurring between 2 weeks and 6 months, was measured more precisely using software developed specifically for the study. Results: Twenty-three patients were allocated the loop haptic and 25 the plate haptic IOL. The groups were comparable for demographic variables and numbers of patients excluded from analysis (P > 0.05). Five (24%) of 21 of plate haptic lOLs underwent severe early rotation compared to 2 (9%) of 22 loop haptics (P = 0.36). The median late rotation was 6.8° for loop haptics compared to 0.6° for plate haptics (P = 0.0073). Between 2 weeks and 6 months, anticlockwise rotation had occurred in 16 (89%) of 18 loop haptic lOLs compared to 11 (52%) of 21 plate haptic lOLs (P = 0.0081). Conclusions: Plate haptic lOLs show greater rotational stability than do loop haptics made from polypropylene once capsular fusion has taken place. Loop haptics invariably rotate anticlockwise after 2 weeks.
CC : 002B25B
FD : Lentille intraoculaire; Chambre postérieure; Cataracte; Traitement; Rotation; Postopératoire; Complication; Iatrogène; Etude comparative; Implant; Homme
FG : Chirurgie; Oeil pathologie; Cristallin pathologie; Segment antérieur pathologie
ED : Intraocular lens; Posterior chamber; Cataract; Treatment; Rotation; Postoperative; Complication; Iatrogenic; Comparative study; Implant; Human
EG : Surgery; Eye disease; Lens disease; Anterior segment disease
SD : Lente intraocular; Cámara posterior; Catarata; Tratamiento; Rotación; Postoperatorio; Complicación; Iatrógeno; Estudio comparativo; Implante; Hombre
LO : INIST-18914.354000080356520270
ID : 00-0006847

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Pascal:00-0006847

Le document en format XML

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<div type="abstract" xml:lang="en">Objective: To compare the postoperative rotation of plate and loop haptic implants of spherical power to ascertain the optimal design appropriate for toric intraocular lenses (lOLs). Design: Randomized, controlled trial. Participants: Forty-eight patients attending for routine cataract surgery by phacoemulsification. Method: Patients with cataract as the only ocular disease were randomly implanted with plate or loop haptic implants after uncomplicated phacoemulsification. The baseline position of the IOL was determined from a video frame acquired at the conclusion of surgery. Postoperative IOL position was documented using digital retroillumination images at 2 weeks and 6 months after surgery. Capsular fusion patterns were recorded using slit-lamp biomicroscopy. Correlation of IOL rotation with axial length, capsular contraction, and fusion was attempted. Main Outcome Measures: Early IOL rotation, occurring between surgery and 2 weeks after surgery, was graded as mild (<10°), moderate (10°< to <30°), or severe (>30°) by a semiobjective online comparison of the images. Late IOL rotation, occurring between 2 weeks and 6 months, was measured more precisely using software developed specifically for the study. Results: Twenty-three patients were allocated the loop haptic and 25 the plate haptic IOL. The groups were comparable for demographic variables and numbers of patients excluded from analysis (P > 0.05). Five (24%) of 21 of plate haptic lOLs underwent severe early rotation compared to 2 (9%) of 22 loop haptics (P = 0.36). The median late rotation was 6.8° for loop haptics compared to 0.6° for plate haptics (P = 0.0073). Between 2 weeks and 6 months, anticlockwise rotation had occurred in 16 (89%) of 18 loop haptic lOLs compared to 11 (52%) of 21 plate haptic lOLs (P = 0.0081). Conclusions: Plate haptic lOLs show greater rotational stability than do loop haptics made from polypropylene once capsular fusion has taken place. Loop haptics invariably rotate anticlockwise after 2 weeks.</div>
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<s0>Objective: To compare the postoperative rotation of plate and loop haptic implants of spherical power to ascertain the optimal design appropriate for toric intraocular lenses (lOLs). Design: Randomized, controlled trial. Participants: Forty-eight patients attending for routine cataract surgery by phacoemulsification. Method: Patients with cataract as the only ocular disease were randomly implanted with plate or loop haptic implants after uncomplicated phacoemulsification. The baseline position of the IOL was determined from a video frame acquired at the conclusion of surgery. Postoperative IOL position was documented using digital retroillumination images at 2 weeks and 6 months after surgery. Capsular fusion patterns were recorded using slit-lamp biomicroscopy. Correlation of IOL rotation with axial length, capsular contraction, and fusion was attempted. Main Outcome Measures: Early IOL rotation, occurring between surgery and 2 weeks after surgery, was graded as mild (<10°), moderate (10°< to <30°), or severe (>30°) by a semiobjective online comparison of the images. Late IOL rotation, occurring between 2 weeks and 6 months, was measured more precisely using software developed specifically for the study. Results: Twenty-three patients were allocated the loop haptic and 25 the plate haptic IOL. The groups were comparable for demographic variables and numbers of patients excluded from analysis (P > 0.05). Five (24%) of 21 of plate haptic lOLs underwent severe early rotation compared to 2 (9%) of 22 loop haptics (P = 0.36). The median late rotation was 6.8° for loop haptics compared to 0.6° for plate haptics (P = 0.0073). Between 2 weeks and 6 months, anticlockwise rotation had occurred in 16 (89%) of 18 loop haptic lOLs compared to 11 (52%) of 21 plate haptic lOLs (P = 0.0081). Conclusions: Plate haptic lOLs show greater rotational stability than do loop haptics made from polypropylene once capsular fusion has taken place. Loop haptics invariably rotate anticlockwise after 2 weeks.</s0>
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<s0>002B25B</s0>
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<s5>01</s5>
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<s5>01</s5>
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<s5>01</s5>
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<s5>06</s5>
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<s5>08</s5>
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<s5>08</s5>
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<s5>09</s5>
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<s5>09</s5>
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<s5>09</s5>
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<s0>Etude comparative</s0>
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<s5>37</s5>
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<s5>45</s5>
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<s0>Cristallin pathologie</s0>
<s5>46</s5>
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<s0>Lens disease</s0>
<s5>46</s5>
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<fC07 i1="03" i2="X" l="SPA">
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<s5>46</s5>
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<s0>Segment antérieur pathologie</s0>
<s2>NM</s2>
<s5>47</s5>
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<s0>Anterior segment disease</s0>
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<s5>47</s5>
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<NO>PASCAL 00-0006847 INIST</NO>
<ET>Postoperative intraocular lens rotation : A randomized comparison of Plate and loop haptic implants. Discussion</ET>
<AU>PATEL (C. K.); ORMONDE (S.); ROSEN (P. H.); BRON (A. J.); APPLE (D. J.)</AU>
<AF>Oxford Eye Hospital, Radcliffe Infirmary/Oxford/Royaume-Uni (1 aut., 2 aut., 3 aut., 4 aut.); Storm Eye Institute, Department of Ophthalmology, Medical College of South Carolina, 167 Ashley Avenue, Box 250676/Charleston, SC 29425/Etats-Unis (5 aut.)</AF>
<DT>Publication en série; Article; Commentaire; Niveau analytique</DT>
<SO>Ophthalmology : (Rochester, MN); ISSN 0161-6420; Coden OPHTDG; Etats-Unis; Da. 1999; Vol. 106; No. 11; Pp. 2190-2196; Bibl. 18 ref.</SO>
<LA>Anglais</LA>
<EA>Objective: To compare the postoperative rotation of plate and loop haptic implants of spherical power to ascertain the optimal design appropriate for toric intraocular lenses (lOLs). Design: Randomized, controlled trial. Participants: Forty-eight patients attending for routine cataract surgery by phacoemulsification. Method: Patients with cataract as the only ocular disease were randomly implanted with plate or loop haptic implants after uncomplicated phacoemulsification. The baseline position of the IOL was determined from a video frame acquired at the conclusion of surgery. Postoperative IOL position was documented using digital retroillumination images at 2 weeks and 6 months after surgery. Capsular fusion patterns were recorded using slit-lamp biomicroscopy. Correlation of IOL rotation with axial length, capsular contraction, and fusion was attempted. Main Outcome Measures: Early IOL rotation, occurring between surgery and 2 weeks after surgery, was graded as mild (<10°), moderate (10°< to <30°), or severe (>30°) by a semiobjective online comparison of the images. Late IOL rotation, occurring between 2 weeks and 6 months, was measured more precisely using software developed specifically for the study. Results: Twenty-three patients were allocated the loop haptic and 25 the plate haptic IOL. The groups were comparable for demographic variables and numbers of patients excluded from analysis (P > 0.05). Five (24%) of 21 of plate haptic lOLs underwent severe early rotation compared to 2 (9%) of 22 loop haptics (P = 0.36). The median late rotation was 6.8° for loop haptics compared to 0.6° for plate haptics (P = 0.0073). Between 2 weeks and 6 months, anticlockwise rotation had occurred in 16 (89%) of 18 loop haptic lOLs compared to 11 (52%) of 21 plate haptic lOLs (P = 0.0081). Conclusions: Plate haptic lOLs show greater rotational stability than do loop haptics made from polypropylene once capsular fusion has taken place. Loop haptics invariably rotate anticlockwise after 2 weeks.</EA>
<CC>002B25B</CC>
<FD>Lentille intraoculaire; Chambre postérieure; Cataracte; Traitement; Rotation; Postopératoire; Complication; Iatrogène; Etude comparative; Implant; Homme</FD>
<FG>Chirurgie; Oeil pathologie; Cristallin pathologie; Segment antérieur pathologie</FG>
<ED>Intraocular lens; Posterior chamber; Cataract; Treatment; Rotation; Postoperative; Complication; Iatrogenic; Comparative study; Implant; Human</ED>
<EG>Surgery; Eye disease; Lens disease; Anterior segment disease</EG>
<SD>Lente intraocular; Cámara posterior; Catarata; Tratamiento; Rotación; Postoperatorio; Complicación; Iatrógeno; Estudio comparativo; Implante; Hombre</SD>
<LO>INIST-18914.354000080356520270</LO>
<ID>00-0006847</ID>
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