Comparison Between Different Investigations Used in Intraocular Lens Calculation in High Myopic Cataractous Patients

Exclusion Criteria

• •1. History of trauma
• •2. Associated pathologies such as optic neuropathy, age related macular degeneration, macular edema, retinal detachment, , ocular inflammation, retinitis pigmentosa, proliferative diabetic retinopathy
• •3. corneal opacities or irregularities, scars, dystrophy or ectasia
• •4. Patients who underwent previous corneal surgery (including refractive surgery)
• •5. Patients having intraoperative complications as inability to achieve secure 'in the bag' placement of the IOL (i.e. due to posterior capsule rupture, vitreous loss, weak zonules, or zonular rupture)