CORNEAL TOPOGRAPHIES
\kˈɔːni͡əl təpˈɒɡɹəfɪz], \kˈɔːniəl təpˈɒɡɹəfɪz], \k_ˈɔː_n_iə_l t_ə_p_ˈɒ_ɡ_ɹ_ə_f_ɪ_z]\
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Measurement of the anterior surface of the cornea, its curvature and shape. It is used often to diagnose keratoconus and other corneal diseases, and corneal changes after keratotomy and keratoplasty. A significant application is in the fitting of contact lenses. In performing corneal topography, many different techniques can be employed: keratometry, keratoscopy, photokeratoscopy, profile photography, computer-assisted image processing, videokeratography, etc.
By DataStellar Co., Ltd
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Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.