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Comparison of Visual Outcomes With Toric IOL and With Limbal Relaxing Incisions in Cataract Surgery. Eriko Fukuyama, MD. Fukuyama Eye Clinic Fukuoka, Japan. The author has no financial interest in the subject matter of this e-poster. Purpose.

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comparison of visual outcomes with toric iol and with limbal relaxing incisions in cataract surgery
Comparison of Visual Outcomes With Toric IOL and With LimbalRelaxingIncisions in Cataract Surgery

Eriko Fukuyama, MD

Fukuyama Eye Clinic

Fukuoka, Japan

The author has no financial interest in the subject matter of this e-poster.

purpose
Purpose
  • To compare cylindrical changes between a toric intraocular lens (IOL) and limbal relaxing incisions (LRIs) to correct preexisting astigmatism in patients underwent cataract surgery.
patients
Patients
  • We prospectively reviewed the medical records of 20 patients who underwent primary cataract surgery for bilateral cataract with corneal astigmatism 1 dioptor and over at Fukuyama Eye Clinic from August 2009 to August 2010. They underwent implantation of a AcrySof IQ Toric IOL in one eye (group A) and with implantation of a AcrySof IQ IOL with LRIs in a fellow eye (group B).
  • Mean age :75.5±5.6
  • Male : Female= 15 : 5
surgical methods
Surgical Methods

Group A:

Incision: Coaxial MICS (2.4mm)

IOL: ACRYSOF® IQ Toric aspheric IOL

Group B:

LRIs: Fukuyama LRI Nomogram, 1 Pair

Incision: Coaxial MICS (2.4mm)

IOL: ACRYSOF® IQ aspheric IOL

results
Results
  • The mean corneal astigmatism measured by keratometer before the surgery was 1.89 dioptors in group A and 1.73 dioptors in group B. After the treatment, the mean corneal astigmatism was 1.89 dioptors in group A and 0.81 dioptors in group B, and the mean refraction astigmatism was 0.73 dioptors in group A and 0.51 dioptors in group B at six months after the surgery.
  • The UDVA and CDVA were similar in both groups. The corneal shape measured by topography was stabilized earlier in group A than in group B.
change in corneal cylinder keratometory
Change in Corneal Cylinder (Keratometory)

D

(n=20)

(n=20)

**

**:

Wilcoxon rank-sum test

P Value<0.02

Post-Op

change in refractive cylinder
Change in Refractive Cylinder

D

(n=20)

(n=20)

**:

Wilcoxon rank-sum test

P Value: 0.0034

**

Post-Op

induced corneal cylinder via topography
Induced Corneal Cylinder (via Topography)

(n=20)

(n=20)

Change in induced corneal cylinder (D)

Post-Op

change in corneal cylinder keratometory9
Change in Corneal Cylinder (Keratometory)

LRIs

T-IOL

(D)

(D)

Corneal cylinder (Post-Op 6 Months

Corneal cylinder (Post-Op 6 Months

(n=20)

(n=20)

(D)

(D)

Corneal cylinder (Pre-Op)

Corneal cylinder (Pre-Op)

Corneal cylinder (Pre-Op)

slide10

Change in Refractive Cylinder

T-IOL

LRIs

(D)

(D)

Refractive cylinder (Post-Op 6 Months

Refractive cylinder (Post-Op 6 Months

(n=20)

(n=20)

(D)

(D)

Corneal cylinder (Pre-Op)

Corneal cylinder (Pre-Op)

conclusion
Conclusion
  • Both a toric IOL and LRIs are useful to correct preexisting astigmatism in patients having cataract surgery.
  • A toric IOL excels LRIs in the early stabilization of the corneal shape.