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角膜 Cornea
前表面曲率半径 The radius of cornea curvature in front
7.8mm 后表面曲率半径 The radius of cornea curvature iractive power is equal to that of
Ocular disease have close relation to systemic ones.
Learning Ophthalmology and understanding
its development and present state are
helpful to eatabilish foundations of
The anterior pole of the globe,protruded about 12-14mm bryond the prbital rim.
The difference of the two eyes is usually less than 2mm.It is easy to be injuried,especially in its external part,the anterior part of the globe is protected by the eyelids.
06.06.2021
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组织学分层 from anterior to posterior,the cornea has five distinct layers:
①上皮细胞层 Epithelium
②前弹力层 Bowman’s membrane
③基质层
Stroma
④后弹力层 Descemet’s membrane