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  1. 0 資料タイプ別
  2. 03 紀要論文
  1. 250 大学院医歯学総合研究科(医)
  2. 20 紀要
  3. 02 新潟医学会雑誌
  4. 第107巻第3号

1)視覚の空間・時間周波数特性 第1報 視覚の空間周波数特性の検討(シンポジウム 視覚の生理学, 第478回新潟医学会)

http://hdl.handle.net/10191/37247
http://hdl.handle.net/10191/37247
6c8753bc-cc30-4340-ae5b-d828ef619110
名前 / ファイル ライセンス アクション
107(3)_201-208.pdf 107(3)_201-208.pdf (1.5 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2016-01-25
タイトル
タイトル 1)視覚の空間・時間周波数特性 第1報 視覚の空間周波数特性の検討(シンポジウム 視覚の生理学, 第478回新潟医学会)
タイトル
言語 en
タイトル 1)視覚の空間・時間周波数特性 第1報 視覚の空間周波数特性の検討(シンポジウム 視覚の生理学, 第478回新潟医学会)
言語
言語 jpn
キーワード
主題Scheme Other
主題 spatial contrast sensitivity
キーワード
主題Scheme Other
主題 spatial modulation transfer function
キーワード
主題Scheme Other
主題 pattern VEP
キーワード
主題Scheme Other
主題 glaucoma
キーワード
主題Scheme Other
主題 空間的コントラスト感度
キーワード
主題Scheme Other
主題 空間的 MTF
キーワード
主題Scheme Other
主題 パターン VEP
キーワード
主題Scheme Other
主題 緑内障
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
その他のタイトル
その他のタイトル Spatial and Temporal Frequency Characteristics of Vision 1st Report; Study on Spatial Modulation Transfer Function of Vision Normal Subjects and Patients with Glaucoma(Physiology of Vision)
著者 阿部, 春樹

× 阿部, 春樹

WEKO 125265

阿部, 春樹

Search repository
長谷川, 茂

× 長谷川, 茂

WEKO 125266

長谷川, 茂

Search repository
高木, 峰夫

× 高木, 峰夫

WEKO 125267

高木, 峰夫

Search repository
吉澤, 豊久

× 吉澤, 豊久

WEKO 125268

吉澤, 豊久

Search repository
臼井, 知聡

× 臼井, 知聡

WEKO 125269

臼井, 知聡

Search repository
著者別名
識別子 125270
識別子Scheme WEKO
姓名 Abe, Haruki
著者別名
識別子 125271
識別子Scheme WEKO
姓名 Hasegawa, Shigeru
著者別名
識別子 125272
識別子Scheme WEKO
姓名 Takagi, Mineo
著者別名
識別子 125273
識別子Scheme WEKO
姓名 Yoshizawa, Toyohisa
著者別名
識別子 125274
識別子Scheme WEKO
姓名 Usui, Tomoaki
抄録
内容記述タイプ Abstract
内容記述 Subjective and objective spatial contrast sensitivity (spatial modulation transfer function) were measured in ten eyes of five patients with ocular hypertension (age range 18 to 51 years) and 94 eyes of 55 patients with primary open-angle glaucoma (POAG; age range 16 to 74 years). Servings as controls were 83 eyes of 47 normal subjects (age range 15 to 72 years) who were devided into two groups, those younger than and those older than 40 years of age, whereby normal values were obtained. After age matching, patient's values were compared with those of normal subjects. In normal subjects, the subjective spatial contrast sensitivity showed the maximum peak at the spatial frequency of 3.12 cycle/degree, and the significant deterioration of contrast sensitivity by aging was found at all spatial frequencies (0.78~12.4 cycle/degree) examined. With regard to the 94 eyes of 55 patients with POAG, the deterioration of spatial contrast sensitivity became prominent and frequent as the optic nerve damage progressed, and those with high spatial frequency loss comprised the largest group of 40%, followed by the low spatial frequency loss of 21%, level loss of 21% and normal group represented 18% of the study population. To estimate spatial MTF objectively, the peak latency of P_<100> component of pattern VEP was investigated. VEP data were obtained using checkerboard pattern stmuli counterphase-alternated at 1.25 Hz. Four check sizes (3.6, 7.2, 14.4 and 28.8 min. of arc) and four contrast levels (2, 5, 10 and 50%) were used. The mean contrast sensitivity in normal subjects, derived from VEP peak latency, was found to be maximum at 14.4 min. of arc, and the objective spatial MTF curve coincided well with that of the subjective one at all spatial frequencies examined. The statistically significant positive correlation was found between objective contrast threshold and subjective one (the coefficient of correlation was 0.725 (p<0.005)). The deterioration of objective spatial contrast sensitivity, derived from VEP peak latency, was found to be much more prominent than that of the subjective one in patients with glaucoma.
書誌情報 新潟医学会雑誌
en : 新潟医学会雑誌

巻 107, 号 3, p. 201-208, 発行日 1993-03
出版者
出版者 新潟医学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 00290440
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00182415
著者版フラグ
値 publisher
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