在視光學裡,通常會將幾公尺,定義為無窮遠?

1111_驗光學一_小考一

Quiz
•
Professional Development
•
1st Grade
•
Medium
柯秀秀 柯秀秀
Used 11+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
2公尺
4公尺
6公尺
8公尺
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
若要檢查視力值,但目前的直線檢測距離不夠長,通常會使用下列何種鏡片來協助受檢者順利看到視標?
平面鏡
凸透鏡
凹透鏡
凸面鏡
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
當驗光師想使用E-chart來幫受檢者檢查視力值時,試問標準測試距離應為下列何者?
4公尺
5公尺
6公尺
7公尺
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
當驗光師想使用C-chart來幫受檢者檢查視力值時,試問標準測試距離應為下列何者?
4公尺
5公尺
6公尺
7公尺
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
常用的測試視標中,其中一項是:紅綠視標,試問這種視標主要是用來確認下列何者?
確認球面度數
確認散光度數
確認散光角度
確認瞳孔距離
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
常用的測試視標中,有一種類是:蜂窩狀視標,試問這種視標的使用時機是最佳矯正視力值達到下列何者(含)以上時,可以建議使用?
20/40
20/60
20/80
20/100
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
常用的測試視標中,有一種類是:散光盤視標(鐘面圖),若受檢者回答12點鐘的線條特別黑,試問此時應將散光軸度設定為幾度?
180度
90度
45度
135度
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