Abstract：
OBJECTIVE:Subconjunctival hemorrhage (SCH) is a relatively common disease, but there have been no reports concerning the relationship between SCH and conjunctivochalasis (CCh). We compared the grade of CCh between patients with SCH and control patients. DESIGN:Prospective, nonrandomized study. PARTICIPANTS:A total of 104 patients with SCH aged 41 to 94 years and 120 age- and gender-matched controls aged 41 to 94 years were enrolled. METHODS:The conjunctiva was divided into the following 8 equal areas: superior, superior/nasal, nasal, inferior/nasal, inferior, inferior/temporal, temporal, and superior/temporal. The age, gender, medical history, ocular history, site of hemorrhage, grade of CCh at 3 locations (nasal, middle, and temporal), and other parameters of CCh were determined in all subjects. MAIN OUTCOME MEASURES:Grade of each CCh parameter and location of SCH. RESULTS:The mean grade of CCh was higher in patients with SCH than in control patients at the nasal (P<0.00001), middle (P<0.00001), and temporal areas (P<0.00001). The downward gaze- or digital pressure-dependent changes of CCh and the frequency of superficial punctate keratitis were all increased in SCH patients compared with control patients (P<0.00001, P<0.00001, and P = 0.00106, respectively). The number of areas involved by SCH and the presence of SCH in each area were positively correlated with the grade of each CCh-related parameter (P<0.05). CONCLUSIONS:This was the first assessment of the grade of CCh in a large series of consecutive patients with SCH. Our results strongly suggest that CCh may have an important role in the pathogenesis of SCH.
journal_name
Ophthalmologyjournal_title
Ophthalmologyauthors
Mimura T,Usui T,Yamagami S,Funatsu H,Noma H,Honda N,Fukuoka S,Shirakawa R,Hotta H,Amano Sdoi
10.1016/j.ophtha.2009.03.021subject
Has Abstractpub_date
2009-10-01 00:00:00pages
1880-6issue
10eissn
0161-6420issn
1549-4713pii
S0161-6420(09)00285-1journal_volume
116pub_type
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