Comparison of visual outcomes with toric iol and with limbal relaxing incisions in cataract surgery
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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 visual outcomes between a toric intraocular lens (IOL) and limbal relaxing incisions (LRIs) to correct preexisting astigmatism in patients having cataract surgery.


Methods

Methods

  • This prospective study compared the results of bilateral cataract surgery with 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). Outcome measures were refraction and corneal astigmatism measured using keratometory and topography, uncorrected (UDVA) and corrected (CDVA) distance visual acuities.


Eriko fukuyama md

手術方法2

  • LRIsの方法

    • 切開の深さ:年齢や角膜中心厚に応じて450μmもしくは500μm

    • 切開の長さ:福山LRIノモグラムにより決定

[倒乱視]

[直乱視]


Results

Results(抄録提出時)

  • The study comprised 16 patients (32 eyes). They had astigmatism more over 1.00 dioptor in their both eyes. The mean corneal astigmatism measured by keratometer before the surgery was 1.76 dioptors in group A and 1.87 dioptors in group B. After the treatment, the mean corneal astigmatism was 1.86 dioptors in group A and 0.42 dioptors in group B, and the mean refraction astigmatism was 0.63 dioptors in group A and 0.38 dioptors in group B at three 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.


Results1

Results(改変用)

  • The study comprised 20 patients (40 eyes). They had astigmatism more over 1.00 dioptor in their both eyes. The mean corneal astigmatism measured by keratometer before the surgery was 1.89dioptors in group A and 1.73dioptors in group B. After the treatment, the mean corneal astigmatism was 1.89 dioptors in group A and 0.81dioptors in group B, and the mean refraction astigmatism was 0.73dioptors in group A and 0.51dioptors in group B at sixmonths 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.


Eriko fukuyama md

角膜乱視の経時変化 (ケラトメーター)

D

D

s

**

**:

両群間に有意差有

ウィルコクソンの

順位和検定

P<0.02

術前は

両群間に有意差無

ウィルコクソンの

順位和検定

両群共

n=20

術後


Eriko fukuyama md

TMS™による術前-術後の乱視変化

角膜形状解析装置TMS™では2つのマップ間の角膜形状解析値の引き算ができる

これを用いると術前から術後へと変化した乱視度数を求めることができる


Eriko fukuyama md

術前と術後6Mの乱視の比較

T-IOL

LRIs

(D)

(D)

自覚屈折乱視(術後6  )

自覚屈折乱視(術後6  )

M

M

(n=20)

(n=20)

(D)

(D)

角膜乱視(術前)

角膜乱視(術前)


Lri s t iol

LRIsとT- IOL


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.


Keywords

KEYWORDS

  • toricintraocular lens

  • limbalrelaxing incisions

  • astigmatism management


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