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Toric Monofocal Intraocular Lenses may correct Keratometric Astigmatism
A recent comprehensive analysis specifically evaluated the effectiveness of toric monofocal intraocular lenses (IOLs) in correcting keratometric astigmatism cataract surgery. The findings of the study were published in Journal of Ophthalmology yielded in depth insights into visual and refractive outcomes after considering only toric IOLs which was available in the United States.
This study conducted a meticulous literature survey using in the PubMed database up to July 2022 and scrutinized 906 potentially relevant citations. After a rigorous review, 63 citations were selected for full-text analysis of which 21 studies ultimately met the stringent inclusion criteria. Also, the methodologist assigned each study a level of evidence rating with 12 studies achieving a level I rating and 9 studies rated at level II.
The eyes with toric IOLs displayed remarkable postoperative uncorrected distance visual acuity (UCDVA) when coupled with a commendable reduction in refractive astigmatism and robust rotational stability. Toric IOLs outshone their nontoric monofocal counterparts regardless of the manufacturer by exhibiting superior UCDVA and lower postoperative cylinder values. The study underscored that correcting pre-existing astigmatism with toric IOLs proved more effective and predictable than utilizing corneal relaxing incisions (CRIs), specially in cases of higher astigmatism magnitudes.
The findings suggest toric monofocal IOLs as a powerful solution for neutralizing corneal astigmatism during cataract surgery with enhanced UCDVA and also a significant reduction in postoperative refractive astigmatism compared to non-toric monofocal IOLs. The superiority of toric IOLs over CRIs is especially observed at higher magnitudes of astigmatism by cementing their status as a preferred choice in astigmatic correction during cataract surgery.
Reference:
Al-Mohtaseb, Z., Steigleman, W. A., Pantanelli, S. M., Lin, C. C., Hatch, K. M., Rose-Nussbaumer, J. R., Santhiago, M., Olsen, T. W., Kim, S. J., & Schallhorn, J. M. (2023). Toric Monofocal Intraocular Lenses for the Correction of Astigmatism during Cataract Surgery. In Ophthalmology. Elsevier BV. https://doi.org/10.1016/j.ophtha.2023.10.010
Neuroscience Masters graduate
Jacinthlyn Sylvia, a Neuroscience Master's graduate from Chennai has worked extensively in deciphering the neurobiology of cognition and motor control in aging. She also has spread-out exposure to Neurosurgery from her Bachelor’s. She is currently involved in active Neuro-Oncology research. She is an upcoming neuroscientist with a fiery passion for writing. Her news cover at Medical Dialogues feature recent discoveries and updates from the healthcare and biomedical research fields. She can be reached at editorial@medicaldialogues.in
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751