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Tất cả các công cụ ngoại trừ ASOCT dựa vào ánh sáng trong quang phổ nhìn thấy được. Về mặt lý thuyết, như với gonioscopy, ánh sáng nhìn thấy có thể ảnh hưởng đến tình trạng góc trong thời gian thi. | 74 M. Baskaran All the instruments except the ASOCT rely on light in the visible spectrum. Theoretically as with gonioscopy visible light may affect the angle status during examination. References 1. Kashiwagi K Kashiwagi F Toda Y Osada K Tsumura T Tsukahara S. A newly developed peripheral anterior chamber depth analysis system principle accuracy and reproducibility. 2. Kashiwagi K Abe K Tsukahara S. Quantitative evaluation of changes in anterior segment biometry by peripheral laser iridotomy using newly developed scanning peripheral anterior chamber depth analyser. Br J Ophthalmol 2004 88 1036-1041. 3. The development of the angle of the anterior chamber in vertebrate eyes. Doc Ophthalmol 1978 1 329-360. 4. Leung CK Chan WM Ko CY Chui SI Woo J Tsang MK Tse RK. Visualization of anterior chamber angle dynamics using optical coherence tomography. Ophthalmology 2005 112 980-984. 5. Radhakrishnan S Goldsmith J Huang D Westphal V Dueker DK Rollins AM Izatt JA Smith SD. Comparison of optical coherence tomography and ultrasound biomicroscopy for detection of narrow anterior chamber angles. Arch Ophthalmol 2005 123 1053-1059. 6. Spaeth GL. The normal development of the human anterior chamber angle a new system of descriptive grading. Trans Ophthalmol Soc UK 1971 91 709-739. APPENDIX D COST EFFECTIVENESS CEA OF SCREENING FOR PRImArY ANGLE CLOSURE GLAUCOMA Augusto Azuara Blanco Augusto Azuara Blanco and Jennifer Yip Overview Health economics is concerned with the allocation of scarce resources in order to maximize health benefits. This area has become increasingly important as there is greater demand with new technologies demographic changes and increased public awareness. Economic evaluation allows us to compare alternatives based on both costs and consequences and thus assists decision makers in making difficult choices. There are four main types of economic evaluations which differ mainly in their assessment of consequences. Cost minimization analysis - comparing .
