TY - GEN AU - Rabab Abd El razek Mahmoud AU - Mahmoud Mohamed Soliman , AU - Pakinam Hashim Fouad , AU - Zeinab Saad Eldin Elsanabary , TI - Assessment of Nuclear Hardness Using Standardized A - Scan / PY - 2006/// CY - Cairo : PB - Rabab Abd El razek Mahmoud , KW - Cataract classification KW - Phacoemulsification KW - White cataract N1 - Thesis (PH.D.) - Cairo University - Faculty Of Medicine - Department Of Ophthalmology; Issued also as CD N2 - Phacoemulsification is the operation of choice for cataract removal worldwide Preoperative evaluation of nucleus hardness is an important preparatory step prior to surgery in order to focus the phacotechniques on the grade of nucleus hardness ER -