Rotational stability of Toric intraocular lenses.
Astigmatism
Cataract surgery
Toric intraocular lenses
Toric lenses
Journal
Medical journal, Armed Forces India
ISSN: 0377-1237
Titre abrégé: Med J Armed Forces India
Pays: India
ID NLM: 7602492
Informations de publication
Date de publication:
Jan 2022
Jan 2022
Historique:
received:
17
07
2018
accepted:
24
03
2020
entrez:
17
1
2022
pubmed:
18
1
2022
medline:
18
1
2022
Statut:
ppublish
Résumé
A prospective study to evaluate the rotational stability of toric intraocular lenses (IOLs). A prospective study of 30 eyes in 29 patients. All patients with regular astigmatism of range 0.75-4 D were included in the study. Exclusion criteria included irregular corneal astigmatism, post-refractive surgery and corneal dystrophies. All patients underwent uncomplicated phacoemulsification cataract surgery by the same surgeon. Three eyes with corneal astigmatism of 0.75-1.5 D were implanted with the AcrySof SA60T3 IOL, eight eyes with astigmatism between 1.5 and 2.0 D received the SA60T4 IOL and eight eyes with astigmatism between 2.0 and 2.50 D received the SA60T5 and rest with astigmatism of 2.5 D and higher received SA60T6 and above models. Main outcome measure was the post-operative position of the lens, assessed at day 1, 1 week, 1 month and 6 months, using toric marker and the slit lamp. There was no significant rotation of IOL observed during a follow-up period of 6 months. Overall, the post-operative rotation was within 5° in 95% of cases. There was no trend for either clockwise or anti-clockwise rotation. However, IOL rotation happens mostly within the first month of surgery, and if it is significant, it requires early repositioning. Toric IOLs are very effective and consistent in correcting astigmatism during the cataract surgery. Once placed to its position, toric IOLs demonstrate rotational stability in the capsular bag.
Sections du résumé
BACKGROUND
BACKGROUND
A prospective study to evaluate the rotational stability of toric intraocular lenses (IOLs).
METHODS
METHODS
A prospective study of 30 eyes in 29 patients. All patients with regular astigmatism of range 0.75-4 D were included in the study. Exclusion criteria included irregular corneal astigmatism, post-refractive surgery and corneal dystrophies. All patients underwent uncomplicated phacoemulsification cataract surgery by the same surgeon. Three eyes with corneal astigmatism of 0.75-1.5 D were implanted with the AcrySof SA60T3 IOL, eight eyes with astigmatism between 1.5 and 2.0 D received the SA60T4 IOL and eight eyes with astigmatism between 2.0 and 2.50 D received the SA60T5 and rest with astigmatism of 2.5 D and higher received SA60T6 and above models. Main outcome measure was the post-operative position of the lens, assessed at day 1, 1 week, 1 month and 6 months, using toric marker and the slit lamp.
RESULTS
RESULTS
There was no significant rotation of IOL observed during a follow-up period of 6 months. Overall, the post-operative rotation was within 5° in 95% of cases. There was no trend for either clockwise or anti-clockwise rotation. However, IOL rotation happens mostly within the first month of surgery, and if it is significant, it requires early repositioning.
CONCLUSION
CONCLUSIONS
Toric IOLs are very effective and consistent in correcting astigmatism during the cataract surgery. Once placed to its position, toric IOLs demonstrate rotational stability in the capsular bag.
Identifiants
pubmed: 35035046
doi: 10.1016/j.mjafi.2020.03.014
pii: S0377-1237(20)30052-6
pmc: PMC8737107
doi:
Types de publication
Journal Article
Langues
eng
Pagination
68-73Informations de copyright
© 2020 Director General, Armed Forces Medical Services. Published by Elsevier, a division of RELX India Pvt. Ltd.
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