Intraocular Lens Power Calculations
A perfect cataract surgery goes beyond the surgical technique - it has to meet the patient's visual needs and expectations. With more than 30 years of experience, Dr. Shammas clearly explains the importance of intraocular lens (IOL) power calculations during preoperative cataract evaluation and their role in improving surgical outcomes. Intraocular Lens Power Calculations addresses the evolution of both currently used formulas and the latest, more advanced formulas. Each of these formulas is accompanied by a thorough explanation, which assist you in fully understanding how to apply them in varying situations. Numerous figures and tables are successfully utilized to illustrate and reinforce key points. This well-organized text contains the most up-to-date information on axial length measurement, biometry units, constants, and ways to avoid errors.
| Author: |
Dr John H. Shammas |
| ISBN: |
1556426526 |
| Publisher: |
Slack Incorporated |
| Binding: |
Hardcover |
| No. of Pages: |
190 |
| Contents: |
| 1: Basic Optics for IOL Power Calculations. 2: Historic Overview. 3: Modern Formulas for IOL Power Calculations. 4: The Olsen Formula. 5: The Haigis Formula. 6: The Refractive Formula. 7: Calculating for Iseikonia. 8: Physical Principles of A-Scan Ultrasound. 9: The A-Scan Biometer. 10: A-Scan Biometry. 11: High Precision A-Scan Biometry Using the Kohn Immersion Shell. 12: Axial Length Measurement of the Challenging Eye. 13: Avoiding Errors in Axial Length Measurement. 14: Optical Coherence Biometry. 15: B-Mode Guided Biometry. 16: Measuring the Ultrasound Axial Length in Biphakic Eyes (IOLs in Phakic Eyes). 17: Measuring the Corneal Power. 18: Intraocular Lens Power Calculations After Corneal Refractive Surgery. 19: Selecting the Proper IOL. 20: The Unexpected Postoperative Results. Index. |
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