• Title/Summary/Keyword: visual disorders

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시지각 및 구성능력의 신경심리학적 평가 (Neuropsychological Evaluation of Visual Perception and Construction)

  • 이창욱;오병훈
    • 생물정신의학
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    • 제4권1호
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    • pp.24-28
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    • 1997
  • Visual perception is a complex process engaging many different aspects of brain functioning. Like other cognitive functions, the extensive cortical distribution and complexity of visual perceptional activites make them hihgly vulnerable to brain injury. Dectection and characterization of perceptual disorders require a careful clinical assessment as well as the application of selected neuropsychological tests. In this article we reviewed neuropsychological assessment of visual perception and constructional abilities. And the principal visuospatial disorders are discussed, the associated neuropsychiatric disorders are presented.

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시-주파수 분석법을 이용한 시각자극 유발전위에 관한 연구 (Estimation of Visual Evoked Potentials Using Time-Frequency Analysis)

  • 홍석균;성홍모;윤영로;윤형로
    • 대한의용생체공학회:의공학회지
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    • 제22권3호
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    • pp.259-267
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    • 2001
  • The visual evoked potentials(VEPs) is used to assist in the diagnosis of specific disorders associated with involvement of the sensory visual pathways. The P100 latency is an important parameter which is diagnosis of optic nerve disorders. There are characteristics of latency delay, wave distortion, amplitude deduction in abnormal subjects. It is difficult to diagnose in the case of producing peak at the P100 latency. In this paper, difference of pattern between normal VEPs and abnormal VEPs using the Choi-Williams distribution method is studied. We observed the relationship about time and spectrum. The result shown that normal VEPs had maximum spectral value at 20Hz~26.7Hz and abnormal VEPs had maximum spectral value at 16.7Hz~20Hz. Also normal VEPs spectrum is higher than abnormal VEPs spectrum.

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후대뇌동맥 경색으로 발생한 시각 및 인지장애 환자 치험 1례 (Case Report on a Posterior Cerebral Artery Infarction Patient with Visual and Cognitive Abnormalities)

  • 엄형섭;정운석;서운교;강윤호;김성아
    • 대한한방내과학회지
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    • 제25권4호
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    • pp.433-441
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    • 2004
  • The posterior cerebral arteries supply the temporal and occipital lobes of the left cerebral hemisphere and the right hemisphere. Clinical symptoms associated with occlusion of the posterior cerebral artery are visual abnormalities including opposite visual field defects, hallucination, visual amnesia and a variety of other symptoms, including confusion, cognitive disorders, thalamic syndrome, Weber's syndrome, contralateral hemplegia. This case report is about a patient with visual and cognitive abnormalities caused by posterior cerebral artery infarction. He was regarded as Soyangin(少陽人) in constitution and was treated with Yangkyuksanhoa-tang(凉膈散火湯) and other treatments. Improvement in his general symptoms was observed.

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섬지역 노인의 시력장애 요인 실태조사 (The effect of the visual impairment on the Island Elder)

  • 김정희
    • 한국안광학회지
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    • 제7권2호
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    • pp.107-112
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    • 2002
  • 60세 이상의 노인에서 나타나는 노인성 백내장과 군날개의 분포와 이들 안질환과 시력과의 관계를 228명 456안을 대상으로 조사하여 다음과 같은 결과를 얻을 수 있었다. 백내장과 군날개를 가진 사람은 총 검사대상 228명(456안)가운데 125명(250안)으로 54.8%로 조사되었고, 125명 가운데 백내장은 44.8%, 군날개 55.2%로 조사되었다. 백내장의 연령별 유병율은 60대가 46.4%, 70대 37.5%, 80대 이상에서 16.1%로 조사되었다. 백내장을 가진 사람의 교정시력은 0.1이하가 14.3%, 0.1~0.3이 14.3%, 0.4~0.6이 36.6%, 0.7 이상이 40.2%로 안경으로 시력교정 후에도 정상적인 시생활을 할 수 없는 사람이 59.8%로 조사되었다. 군날개의 연령별 유병율은 60대 60.9%, 70대 26.1%, 80대 이상에서 13%로 조사되었고, 군날개를 가진 사람의 교정시력은 0.1이하가 5.1%, 0.1~0.3이 5.8%, 0.4~0.6이 20.3%, 0.7이상이 68.8%로 조사되었다.

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항우울제 사용 및 자살률의 지역적 편차에 대한 시각적 분석 (Visual Analysis of Regional Variations in Antidepressant Use and Suicide Rate)

  • 김호정;이인향
    • 한국임상약학회지
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    • 제28권4호
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    • pp.308-319
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    • 2018
  • Background: Some mental illnesses such as depression are known to be one of the risk factors of suicide and proper antidepressant therapy can reduce suicidal behavior. Objectives: This study aimed to analyze regional variations in antidepressant consumption and adherence, suicide rate, prevalence of suicide related mental disorders, and access to relevant healthcare services. Methods: Cross-sectional analyses were conducted using National Patients Sample data compiled by the Health Insurance Review and Assessment Service between 2014 and 2016. We included patients who had a diagnosis record of suicide related mental disorders during the study period. Cause of death statistics and National health and medical statistics were used to identify suicide rate and distribution of healthcare service. We conducted visual analyses, chi-squared tests, independent t-tests and correlation analyses to demonstrate regional variations. Results: Between 2014 and 2016, the average prevalence of suicide related mental disorders was 5.4 per cent. Suicide rate and prevalence of suicide related mental disorders were higher in Gangwon, Chungcheong, and Jeolla (p < 0.001), and lower in Seoul (p < 0.001) than the national average. Unexpectedly, regional variations in antidepressant consumption were seen in the limited area including Daejeon, Chungnam and Gyeongnam (p < 0.05). The number of mild patient-centered clinics was associated positively with antidepressant consumption (p < 0.01) and associated negatively with suicide rate (p < 0.01). Conclusion: There were some regional variations in prevalence of suicide related mental disorders, antidepressant adherence and suicide rate. The higher level of antidepressant therapy and the lower level of suicide rates were seen in regions with easy access to mild patient-centered clinics.

전정감각, 고유감각 중심의 감각통합중재가 발달장애 아동의 공간 지각력과 시-운동 협응력에 미치는 영향 (The Effect of Vestibular-Proprioceptive Based Sensory Integration Intervention on Spatial Relations and Visual-Motor Coordination in Children with Developmental Disabilities)

  • 강셋별;김수경
    • 대한감각통합치료학회지
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    • 제21권2호
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    • pp.24-34
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    • 2023
  • 목적 : 본 연구를 통하여 발달장애 아동에게 적용한 전정감각, 고유감각 중심의 감각통합 중재가 공간 지각력, 시-운동 협응력에 어떠한 영향을 미치는지 알아보고자 한다. 연구방법 : 본 연구는 발달 장애 아동 만 5~6세 아동 3명을 대상으로 개별실험연구방법(single subject research design) 중 ABA' 설계를 사용하였다. 매주 3회기씩 6주간 30분씩 총 18회기를 진행하였다. 기초선 3회기와 재기초선 3회기는 중재 없이 공간 지각력과 시-운동 협응을 평가하였고 중재기 12회기는 전정감각, 고유감각 위주 감각통합 중재를 실시하였다. 중재의 효과를 알아보기 위한 매회기 측정으로는 전산화 인지 프로그램(CoTras-C)을 이용하였으며, 공간지각력 평가를 위한 퍼즐하기, 시-운동 평가를 위한 미로 찾기를 실시하였다. 연구의 사전, 및 사후 평가는 카우프만 아동용 지능 검사(Kaufman Assessment Battery for Children; K-ABC II)와 한국판 시지각 발달 검사(Korean-Developmental Test of Visual Perception-2: K-DTVP-2)의 하위평가를 이용하였다. 결과 : 발달장애 아동에게 전정감각, 고유감각 중심의 감각통합중재를 적용하기 전보다 후에 공간지각력과 시-운동 협응력 점수에 유의한 차이가 있었고, 세 아동 모두 통계적으로 유의한 차이가 있었다. 결론 : 전정, 고유감각 중심의 감각통합 치료가 발달장애 아동의 공간지각력과 시-운동 협응력에 유의미한 영향을 미쳤다.

THE CONTACT LENS RELATED CASE REPORTS IN PEDIATRIC POPULATION II

  • Chen, Ai-Hong;Kim, Douk-Hoon;Sung, A-Young
    • 한국안광학회지
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    • 제10권3호
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    • pp.237-240
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    • 2005
  • The cause of poor visual acuity was connected to the damage by the ocular trauma related. Especially the most cause of visual disorder was identified as irregular pupil by ocular damage. Therefore most patients stopped the wearing of the contact lens immediately by the visual decrease effects from irregular pupil disorder. But we had suggested that the contact lens wear was a very intensive visual therapy. We had identified the visual recover from several tests using the contact lens treatment.

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손가락 힘 통제 특성에 기반한 운동의지장애의 정량적 평가 방법 개발 (Development of a Quantitative Assessment Method of Finger Force Control Capabilities forMotor Intentional Disorders)

  • 정기효;김은주;유희천;나덕렬;이민정;서상원;이병화
    • 대한인간공학회지
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    • 제25권2호
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    • pp.155-160
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    • 2006
  • Motor intentional disorders have been studied by visual examination methods such as cross-response task and Luria loop. To provide more analytical, quantitative information for motor intentional disorders, the present study developed a method which evaluates force control capabilities by the index finger. The assessment method analyzes the finger force control capabilities at four stages(initiation, development, maintenance, and termination) with NK Pinch-GripTM(force resolution= 0.098 N; temporal resolution=50Hz). By applying the assessment method, a patient(age=66) with callosal legion was compared with 6 healthy males(mean age=65.5, SD=2.8), showing significant but different decreases in force control capabilities depending on hand and response location. The assessment method would be of use to better understand various aspects of motor intentional disorders such as the effects of the disorders to the neurological network of the brain and severity assessment of the disorders.

소시호탕(小柴胡湯)으로 호전을 보인 소화기계 문제를 동반한 아토피피부염의 치험 2례 (Two cases of Atopic Dermatitis with Gastrointestinal Disorders treated with Soshiho-tang)

  • 노현민;박승구;박인해;조은희;박민철
    • 한방안이비인후피부과학회지
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    • 제29권3호
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    • pp.208-216
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    • 2016
  • Objectives : The purpose of this study is to report the effectiveness of Soshiho-tang on the patients who suffered from atopic dermatitis with gastrointestinal disorders.Methods : We diagnosed the symptoms and the signs of the patients who suffered from atopic dermatitis with gastrointestinal disorders as Soshiho-tang syndrome(嘔而發熱) according to 'Treatise on Cold Damage Disease(傷寒論)'. Patients are treated only with Soshiho-tang. The severity of Atopic dermatitis was evaluated by SCORAD index, visual analogue scale(VAS) and pictures. Gastrointestinal disorders(mainly food allergy, indigestion) were evaluated by patients' subjective complaint.Results : After the treatment, not only the severity of atopic dermatitis but gastrointestinal disorders were also improved.Conclusions : Soshiho-tang has improved the symptoms of Atopic dermatitis with gastrointestinal disorders in this study.

Objective quantification of the impact of blepharoplasty on the superior visual field

  • Kim, Hyodong;Lee, Sanghun;Son, Daegu;Yeo, Hyeonjung
    • Archives of Plastic Surgery
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    • 제49권1호
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    • pp.19-24
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    • 2022
  • Background Blepharoplasty has both aesthetic and functional benefits in patients with pseudoptosis; however, previous studies could not demonstrate its beneficial effects quantitatively and objectively. The authors objectively analyzed the visual field before and after surgery and investigated whether measurements of the visual field can be applied as a suitable predictor of surgical outcomes. Methods In total, 18 eyelids in nine patients with pseudoptosis who had undergone simple skin excision blepharoplasty were evaluated prospectively from February to May 2016. The visual fields were analyzed preoperatively and 3 months postoperatively using the Goldmann kinetic perimetry test. The visual field test area was assessed using Adobe Photoshop. Results Blepharoplasty had an average 4.99-fold beneficial effect on the superior visual field. In particular, more improvement was seen in the superior temporal quadrant than in the nasal quadrant. No correlation was found between the preoperative margin-to-reflex distance 1 (MRD1) and the surgical outcome (P=0.119). However, there was a strong correlation between the preoperative superior visual field and the surgical outcome (P=0.001). Conclusions Using the Goldmann kinetic perimetry test, we objectively and quantitatively proved the beneficial effect of blepharoplasty on patients with pseudoptosis. Furthermore, we demonstrated that the preoperative visual field is a better preoperative surgical outcome predictive factor than the preoperative MRD1.