ﻣﺠﻠﻪ ﭼﺸﻢ ﭘﺰﺷﻜﻲ ﺑﻴﻨﺎ- ﺩﻭﺭﻩ١٥ - ﺷﻤﺎﺭﻩ٢ ) ﺯﻣﺴﺘﺎﻥ١٣٨٨ (
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Corneal Astigmatism in Fuchs’ Heterochromic Iridocyclitis
Faramarzi A, MD*; Doozande A, MD; Yaseri M MSc
Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
* Corresponding author: amirfaramarzy@yahoo.com
Purpose: To analyze the results of scanning slit topography (Orbscan II, Bausch & Lomb) in both eyes of
patients with unilateral Fuchs’ heterochromic iridocyclitis
Methods: An intra-subject non-interventional case-control study was conducted on patients with unilateral
Fuchs’ heterochromic iridocyclitis (FHI). None of the patients had history of ocular surgery. Corneal
topographic parameters obtained with Orbscan II including simulated keratometry (Sim K) values, anterior
and posterior surface maximum elevations and central corneal thickness were compared between the two
eyes and analyzed statistically.
Results: Thirty patients were enrolled in this study. Mean age was 33.3±10.6 years (range: 18 to 58 years).
Mean Sim K astigmatism was 1.65±1.27 diopters in FHI eyes and 0.88±0.52 diopters in fellow eyes (P=0.001).
Mean axis of astigmatism was 88.75±32 degrees in FHI eyes. Mean anterior surface maximum elevation
values in FHI and fellow eyes were 11.70±7.00 and 10.60±4.9 µm, respectively (P=0.37). Mean posterior
surface maximum elevation values in FHI and fellow eyes were 27±12.1 µm and 23±8.1 µm, respectively
(P=0.128).
Conclusion: Corneal astigmatism is a common finding in eyes with FHI, and disparity of corneal
astigmatism between the two eyes can be added to the diagnostic criteria for the unilateral form of this
disease. This finding must be considered during cataract surgery in these patients.
Key words: Fuch’s Heterochromic Iridocyclitis, SimK Astigmatism, Surface Maximum Elevation
• Bina J Ophthalmol 2010; 15 (2): 100-104. Received: 2 May 2009 Accepted: 29 August 2009
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زيا د
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دوززاد ، د
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ي ي و
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ﻫﺪﻑ: ﻣﻘﺎﻳﺴﻪ ﻧﺘﺎﻳﺞ ﺍﻭﺭﺏ ﺍﺳﻜﻦ) ( ﺩﻭ ﭼﺸﻢ ﺩﺭ ﺑﻴﻤﺎﺭﺍﻥ ﻣﺒﺘﻼ ﺑـﻪ ﻫﺘﺮﻭﻛﺮﻭﻣـﻲ ﺍﻳﺮﻳﺪﻭﺳـﻴﻜﻠﻴﺖ
ﻓﻮﮐﺲ) ( ﻳﻚ ﻃﺮﻓﻪ.
ﺭﻭﺵ ﺍﺟﺮﺍ: ﺍﻳﻦ ﻣﻄﺎﻟﻌﻪ ﻣﻮﺭﺩ ﺷﺎﻫﺪﻱ ﺑﺮ ﺭﻭﻱ ﺑﻴﻤﺎﺭﺍﻥ ﻣﺒﺘﻼ ﺑﻪ ﻫﺘﺮﻭﻛﺮﻭﻣﻲ ﺍﻳﺮﻳﺪﻭﺳﻴﻜﻠﻴﺖ ﻓﻮﮐﺲ ﻳﻚ ﻃﺮﻓﻪ ﺍﻧﺠﺎﻡ
ﺷﺪ. ﻫﻴﭻ ﻛﺪﺍﻡ ﺍﺯ ﺑﻴﻤﺎﺭﺍﻥ ﺳﺎﺑﻘﻪ ﻋﻤﻞ ﺟﺮﺍﺣﻲ ﭼﺸﻤﻲ ﻧﺪﺍﺷﺘﻨﺪ. ﭘﺎﺭﺍﻣﺘﺮﻫﺎﻱ ﺗﻮﭘﻮﮔﺮﺍﻓﻲ ﻗﺮﻧﻴﻪ ﺷﺎﻣﻞ ﻛﺮﺍﺗﻮﻣﺘﺮﻱ ﺷﺒﻴﻪ ﺳﺎﺯﻱ ﺷـﺪﻩ
) ( ، ﺣﺪﺍﻛﺜﺮ ﺑ ﺮﺁﻣﺪﮔﻲ ﺳﻄﺢ ﻗﺪﺍﻣﻲ ﻭ ﺧﻠﻔﻲ ﻗﺮﻧﻴﻪ ﻭ ﺿﺨﺎﻣﺖ ﻣﺮﻛﺰ ﻗﺮﻧﻴﻪ ﺑﻴﻦ ﺩﻭ ﭼﺸﻢ ﻣﻘﺎﻳﺴﻪ ﻭ ﺑﺎ ﺭﻭﺵ ﻫﺎﻱ ﺁﻣﺎﺭﻱ ﻣﻨﺎﺳﺐ
ﺗﺤﻠﻴﻞ ﺷﺪ.
ﻧﺘﺎﻳﺞ: ﺗﻌﺪﺍﺩ۳۰ ﺑﻴﻤﺎﺭ ﻭﺍﺭﺩ ﻣﻄﺎﻟﻌﻪ ﺷﺪﻧﺪ، ﻣﺘﻮﺳـﻂ ﺳـﻦ ﺑﻴﻤـﺎﺭﺍﻥ۶
/
۱۰ ± ۳
/
۳۳ ) ۱۸ ﺗـﺎ۵۸ ( ﺳـﺎﻝ ﺑـﻮﺩ. ﻣﻴـﺎﻧﮕﻴﻦ ﻛﺮﺍﺗـﻮﻣﺘﺮﻱ
ﺷﺒﻴﻪ ﺳﺎﺯﻱ ﺷﺪﻩ ﺩﺭ ﭼﺸﻢ ﻣﺒﺘﻼ ﺑﻪ ﻓﻮﻛﺲ۲۷
/
۱ ± ۶۵
/
۱ ﻭ ﺩﺭ ﭼﺸﻢ ﺳﺎﻟﻢ۵۲
/
۰ ± ۸۸
/
۰ ﺩﻳﻮﭘﺘﺮ ﺑﻮﺩ) ۰۰۱
/
۰ = . ( ﻣﺤـﻮﺭ ﻣﺘﻮﺳـﻂ
ﺁﺳﺘﻴﮕﻤﺎﺗﻴﺴﻢ ﺩﺭ ﭼﺸﻢ ﻫﺎ ﻱ ﻣﺒﺘﻼ ﺑﻪ ﻓﻮﻛﺲ۳۲ ± ۷۵
/
۸۸ ﺩﺭﺟﻪ ﺑﻮﺩ. ﻣﺘﻮﺳﻂ ﺣﺪﺍﻛﺜﺮ ﺑﺮﺟﺴﺘﮕﻲ ﺳـﻄﺢ ﻗـﺪﺍﻣﻲ ، ﺳـﻄﺢ ﺧﻠﻔـﻲ ﻭ
ﻣﺘﻮﺳﻂ ﺿﺨﺎﻣﺖ ﻣﺮﮐﺰ ﻗﺮﻧﻴﻪ ﺩﺭ ﭼﺸﻢ ﻫﺎ ﻱ ﻣﺒﺘﻼ ﺑﻪ ﻓﻮﻛﺲ ﻭ ﮔﺮﻭﻩ ﺷﺎﻫﺪ ﺑﻪ ﺗﺮﺗﻴـﺐ۷ ± ۷
/
۱۱ ﺩﺭ ﻣﻘﺎﺑـﻞ۹
/
۴ ± ۶
/
۱۰ ) ۳۷
/
۰ = ( ،
۱
/
۱۲ ± ۲۷ ﺩﺭ ﻣﻘﺎﺑﻞ۱
/
۸ ± ۲۳ ) ۱۲۸
/
۰ = ( ﻭ۲
/
۳۵ ± ۵۵۷ ﺩﺭ ﻣﻘﺎﺑﻞ۴
/
۹۷ ± ۵۳۱ ﻣﻴﻜﺮﻭﻣﺘﺮ ﺑﻮﺩ) ۱۲
/
۰ ( .