英文字典中文字典51ZiDian.com

中文字典辞典英文字典 a b c d e f g h i j k l m n o p q r s t u v w x y z

emmetropia

n. 正常眼

正常眼

WordNet (r) 3.0 (2006) (WordNet)

emmetropia
n 1: (ophthalmology) the normal refractive condition of the eye
in which there is clear focus of light on the retina

The Collaborative International Dictionary of English v.0.48 (gcide)

Emmetropia \Em`me*tro"pi*a\ ([e^]m"m[-e]*tr[=o]"p[i^]*[.a]), n.
[NL., fr. Gr. 'e`mmetros in measure, proportioned, suitable
('en in me`tron measure) 'w`ps, 'wpo`s, eye.] (Med.)
That refractive condition of the eye in which the rays of
light are all brought accurately and without undue effort to
a focus upon the retina; -- opposed to {hypermetropia},
{myopia}, and {astigmatism}.
[1913 Webster]

请选择你想看的字典辞典：

单词	字典	翻译
Emmetropia	查看　Emmetropia　在百度字典中的解释	百度英翻中〔查看〕
Emmetropia	查看　Emmetropia　在Google字典中的解释	Google英翻中〔查看〕
Emmetropia	查看　Emmetropia　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!

中文字典英文字典工具:

选择颜色:

<style type="text/css">#word104_1 br {display:none;}</style>
<form id="word104_1" method="post" action="http://ww.taiwanrate.org/index.php" target="_blank">
<div style="width: 140px;border:1px solid #000;background-color:#ffffff;padding: 0px 0px;margin: 0px 0px;align:center;text-align:center;overflow:hidden;"><div id="xcolor1_1" style="font-size:12px;color:#183a00;line-height:16px;font-family: arial; font-weight:bold;background:#94abf0;padding: 3px 1px;text-align:center;"><a href="http://ww.taiwanrate.org/" alt="英文字典中文字典" title="英文字典中文字典" id="word_name104_1" style="color:#000000;font-size:14px;text-decoration:none;line-height:16px;font-family: arial;" >英文字典中文字典</a></div><table width=100% style='align:center;text-align:left;font-size:12px;background-color:#ffffff;color:#333333;'>
<tr><td style="text-align:center;border:0"><input type=hidden name="word104_hi" value="1">输入中英文单字</td></tr><tr><td style="text-align:center;border:0"><input type="text" name="word104_input" value="" size=10 style="background-color:#ffffff;color:#000;text-decoration:none;font-family: arial;rial;border:1px solid #999;padding:1px!important;"></td></tr><tr style='line-height: 26px;'><td style="text-align:center;border:0"><input type=submit style="background-color:#ccc;color:#000;border:0 none;cursor:pointer;" value="查询字典"></td></tr></table></div>
</form>

英文字典中文字典相关资料:

Emmetropia - Wikipedia
Emmetropia is a state in which the eye is relaxed and focused on an object more than 6 meters or 20 feet away The light rays coming from that object are essentially parallel, and the rays are focused on the retina without effort
Emmetropia - All About Vision
Emmetropia ("em-eh-TROE-pee-ah") is the medical term for naturally occurring clear vision In other words, a person with emmetropia does not have any refractive errors — such as nearsightedness (myopia), farsightedness (hyperopia) or astigmatism
Emmetropia: Definition, Causes, and Comparison with Ametropia
Emmetropia is a medical term for "normal vision," or what doctors call 20 20 vision On the other hand, ametropia refers to the presence of one or more refractive errors (visual defects)
Emmetropia - Optometrists. org
Emmetropia is the clinical term used by eye doctors to describe a person with perfect vision, also known as ‘20 20 sight’ This ideal condition describes an eye that has no refractive error or visual defects
Emmetropia - an overview | ScienceDirect Topics
Emmetropia is the refractive state of an eye in which parallel rays of light entering the eye are focused on the retina, creating an image that is perceived as crisp and in focus
What Is Emmetropia? Definition, Causes, Overview SHORT READS
What Is Emmetropia? Emmetropia is the medical term for an eye that has naturally clear vision If you have emmetropia, your eye can focus light perfectly onto the retina without the help of glasses or contact lenses This allows you to see things clearly at all distances
Emmetropia Ametropia: What Is the Difference? - NVISION
Emmetropia is a term that refers to the condition of having “normal” 20 20 vision, with eyes free of refractive errors Ametropia refers to the broad condition of having some form of refractive error present in your eye
EMMETROPIA Definition Meaning | Merriam-Webster Medical
The meaning of EMMETROPIA is the normal refractive condition of the eye in which with accommodation relaxed parallel rays of light are all brought accurately to a focus upon the retina
Emmetropia | biology | Britannica
Emmetropia refers to normal vision, where the eye's optical system precisely focuses images of distant objects directly onto the retina This perfect alignment of the eye's focal power and its axial length is remarkable, as even a millimeter's deviation can necessitate corrective lenses 1
Emmetropia Explained
Emmetropia is a state in which the eye is relaxed and focused on an object more than 6m (20feet) away The light rays coming from that object are essentially parallel, and the rays are focused on the retina without effort

中文字典-英文字典 2005-2009