April 2010
Volume 51, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2010
The Volume of Vitreous Space and Corneal Curvature Radius in Highly Myopic Eyes With Macular Hole Retinal Detachment and in Those With Peripheral Break Induced Detachment
Author Affiliations & Notes
  • H. Tanaka
    Ophthalmology, Fujita Health University School of Medicine, Toyoake, Japan
  • M. Horiguchi
    Ophthalmology, Fujita Health University School of Medicine, Toyoake, Japan
  • A. Nakamura
    Ophthalmology, Fujita Health University School of Medicine, Toyoake, Japan
  • Y. Shimada
    Ophthalmology, Fujita Health University Banbuntanehotokukai Hospital, Nagoya, Japan
  • M. Kuze
    Ophthalmology, Fujita Health University School of Medicine, Toyoake, Japan
  • A. Tanikawa
    Ophthalmology, Fujita Health University School of Medicine, Toyoake, Japan
  • Footnotes
    Commercial Relationships  H. Tanaka, None; M. Horiguchi, None; A. Nakamura, None; Y. Shimada, None; M. Kuze, None; A. Tanikawa, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science April 2010, Vol.51, 6079. doi:
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    • Get Citation

      H. Tanaka, M. Horiguchi, A. Nakamura, Y. Shimada, M. Kuze, A. Tanikawa; The Volume of Vitreous Space and Corneal Curvature Radius in Highly Myopic Eyes With Macular Hole Retinal Detachment and in Those With Peripheral Break Induced Detachment. Invest. Ophthalmol. Vis. Sci. 2010;51(13):6079.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: : Some of the highly myopic eyes develop macular hole retinal detachment (MH-RD), and others have detachment with peripheral breaks (PB-RD). A combination of MH-RD and PB-RD is rare. To study the difference between these two groups of highly myopic eyes, we measured the volume of vitreous space (VS), corneal curvature radius (CCR) and the axial length (AL) of the eyes.

Methods: : This study recruited 46 eyes with AL >26.0 mm, comprising 34 eyes with PB-RD (PB-RD group) and 12 eyes with MH-RD (MH-RD group). We performed vitrectomy, phacoemulsification and IOL insertion in all cases. During fluid- air exchange, we measure VS that was defined as the space in the vitreous cavity filled with fluid after vitrectomy. The two groups were compared in terms of AL, VS and CCR.

Results: : AL had tendency to be longer in MH-RD group than in PB-RD group (P=0.02). VS correlated significantly with AL in both groups (MH-RD group: Y=0.26X - 1.34, R2=0.58 (P<0.01), PB-RD group: Y=0.36X - 2.76, R2=0.19 (P<0.01)). However, VS was significantly larger in PB-RD group than in MH-RD group (MH-RD group: 6.06 ±0.46 ml, PB-RD group: 7.14 ±0.68 ml (P<0.01)). Further, MH-RD group had smaller CCR than PB-RD group (MH-RD groups: 7.64 ±0.18 mm, PB-RD group: 7.88 ±0.19 mm (P<0.01)).

Conclusions: : VS were significantly smaller in eyes with MH-RD group than in eyes with PB-RD group, even though MH-RD group showed longer AL than PB-RD group. MH-RD group revealed smaller CCR than PB-RD group. Our results suggest that there is a substantial difference in the shape of eyeball between the two groups.

Keywords: retinal detachment • myopia 
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