TY - GEN AU - Heba Talla Abd El karim Mahmoud AU - Khaled Abd El gelil Mansour , AU - Mohamad Mahmoud Elsayed , AU - Zeinab Saad Eldin Elsanabary , TI - Evaluation of B - mode guided biometry for IOL power calculations in high myopia / PY - 2005/// CY - Cairo : PB - Heba Talla Abd El karim Mahmoud , KW - Evaluation of B - mode guided bioetry N1 - Thesis (PH.D.) - Cairo University - Faculty Of Medicine - Department Of Ophthalmology; Issued also as CD N2 - High myopia is defined as a spherical equivalent greater than 6 or 7 D or an axial length of more than 255 mm (Hendicott and Lam , 1991) Biometry and calculation of the power of an intraocular lens (IOL) is sometimes difficult UR - http://172.23.153.220/th.pdf ER -