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患者男性, 17 岁,高中生。最近经常诉说看书 20min 即感到视物模糊、疲劳、眼胀,寒假期间症状有所改善,开学后症状加重,否认全身病史及用药史,眼科检查未查见异常。主觉验光: OD +0.50DS——1.0 OS +0.25DS——1.0 。 请问:(1)他的初步诊断? (2)根据你的诊断,对他制定针对性处理方案。
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参考答案：
举一反三
【单选题】The Best Title of this passage is ______.
A.
Gypsies Want to Form. a Nation
B.
Are They a Nation
C.
EU Is Afraid of Their Growth
D.
They Are a Tribe
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【简答题】FREE $ 10 Gift Card with ANY Purchase at CVS September 4, 2013 by Michelle New Plink members are invited to join and make any purchase at CVS to get a $10 gift card from your choice at places like Ama...
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【简答题】（8分）对有机物的结构理解，要以立体几何知识为依托，重点理解有机物分子中的价键在空间的分布，注意有机物结构式或结构简式的书写仅表示原子连接的次序，不代表有机物的空间结构。烷烃的结构可从甲烷的立体结构拓展想象，如乙烷(CH 3 CH 3 )可认为是甲烷分子中的一个氢原子被—CH 3 取代形成的。三个碳原子以上的烷烃分子中的碳原子呈锯齿形，可能共平面，但不可能共直线。 （1）甲烷分子中最多可有____...
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【判断题】In America , it is necessary to make a beautiful wrapping for the gift and prepare a card with warm words in it.
A.
正确
B.
错误
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【简答题】Triplett于1898年调查了一个今天我们称作____的现象。
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【单选题】In the 3rd paragraph, the 'Guess Who' card is probably used to______.
A.
be a gift for relatives on Valentine's Day
B.
make jokes
C.
express happiness on Valentine's Day
D.
express love for a person one secretly admires
查看完整题目与答案
【单选题】下列的叙述正确的是 [     ]
A.
甲烷分子中由于C原子发生了sp 3 轨道杂化而形成正四面体的立体结构
B.
甲醛分子中的化学键都是σ键
C.
二氧化碳分子呈直线形结构是因为C原子发生了sp 2 杂化
D.
氨气分子因氮原子发生了sp 3 轨道杂化，而形成正四面体的结构
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【简答题】Credit card rewards programs have traditionally featured airline miles, gift certificates, and cash back for customers who spend enough on their cards. But recently, credit card companies have started...
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【简答题】单词拼写（共10分） 76．The day when the Maori signed an agreement with the settlers is still c       as a national holiday. 77．Susan decided to buy the d        necklace which cost a lot of money 78．Finally, t...
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【单选题】Which of the following statements is true of the Hawaiian natives?
A.
They are the only native group without sovereignty.
B.
Their life span is 5 years shorter than average Americans.
C.
Sixty percent of them are homeless or unemployed.
D.
Their life is worse than that of other ethnic groups in Hawaii.
查看完整题目与答案
相关题目：
【单选题】The Best Title of this passage is ______.
A.
Gypsies Want to Form. a Nation
B.
Are They a Nation
C.
EU Is Afraid of Their Growth
D.
They Are a Tribe
查看完整题目与答案
【简答题】FREE $ 10 Gift Card with ANY Purchase at CVS September 4, 2013 by Michelle New Plink members are invited to join and make any purchase at CVS to get a $10 gift card from your choice at places like Ama...
查看完整题目与答案
【简答题】（8分）对有机物的结构理解，要以立体几何知识为依托，重点理解有机物分子中的价键在空间的分布，注意有机物结构式或结构简式的书写仅表示原子连接的次序，不代表有机物的空间结构。烷烃的结构可从甲烷的立体结构拓展想象，如乙烷(CH 3 CH 3 )可认为是甲烷分子中的一个氢原子被—CH 3 取代形成的。三个碳原子以上的烷烃分子中的碳原子呈锯齿形，可能共平面，但不可能共直线。 （1）甲烷分子中最多可有____...
查看完整题目与答案
【判断题】In America , it is necessary to make a beautiful wrapping for the gift and prepare a card with warm words in it.
A.
正确
B.
错误
查看完整题目与答案
【简答题】Triplett于1898年调查了一个今天我们称作____的现象。
查看完整题目与答案
【单选题】In the 3rd paragraph, the 'Guess Who' card is probably used to______.
A.
be a gift for relatives on Valentine's Day
B.
make jokes
C.
express happiness on Valentine's Day
D.
express love for a person one secretly admires
查看完整题目与答案
【单选题】下列的叙述正确的是 [     ]
A.
甲烷分子中由于C原子发生了sp 3 轨道杂化而形成正四面体的立体结构
B.
甲醛分子中的化学键都是σ键
C.
二氧化碳分子呈直线形结构是因为C原子发生了sp 2 杂化
D.
氨气分子因氮原子发生了sp 3 轨道杂化，而形成正四面体的结构
查看完整题目与答案
【简答题】Credit card rewards programs have traditionally featured airline miles, gift certificates, and cash back for customers who spend enough on their cards. But recently, credit card companies have started...
查看完整题目与答案
【简答题】单词拼写（共10分） 76．The day when the Maori signed an agreement with the settlers is still c       as a national holiday. 77．Susan decided to buy the d        necklace which cost a lot of money 78．Finally, t...
查看完整题目与答案
【单选题】Which of the following statements is true of the Hawaiian natives?
A.
They are the only native group without sovereignty.
B.
Their life span is 5 years shorter than average Americans.
C.
Sixty percent of them are homeless or unemployed.
D.
Their life is worse than that of other ethnic groups in Hawaii.
查看完整题目与答案
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