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Published on: April 6, 2016
Cell response to AcrySof intraocular lenses in an Indian population
Abhay R Vasavada1, Lajja R Shastri, Shetal M Raj
1Iladevi Cataract & IOL Research Centre, Ahmedabad, India. shailad1@sancharnet.in
Insights
Cell deposits on AcrySof intraocular lenses (IOLs) were evaluated in an Indian population. The study found a low incidence and severity of cell deposits, with all types disappearing within 12 months, indicating good biocompatibility.
Area of Science:
- Ophthalmology
- Biomaterials Science
- Cell Biology
Background:
- Cataract surgery is a common procedure worldwide.
- Intraocular lenses (IOLs) are implanted to restore vision after cataract removal.
- AcrySof IOLs are widely used, and their cytological response requires evaluation.
Purpose of the Study:
- To assess the cytological response to AcrySof IOLs in an Indian population.
- To quantify the incidence, progression, and severity of cell deposits on IOLs.
- To determine the fate and resolution of these cell deposits post-surgery.
Main Methods:
- A prospective clinical study involving 64 patients undergoing phacoemulsification and AcrySof IOL implantation.
- Postoperative follow-up at 1 week and 1, 3, 6, 12, and 15 months.
- Slit-lamp biomicroscopy with specular reflex to record cell deposit characteristics.
Main Results:
- The highest incidence of small cell deposits was 18.7%, resolving within 6 months.
- Large and giant cell deposits had a highest incidence of 23.4% and 6.2% respectively, resolving within 12-15 months.
- No IOLs showed cell deposits at the final follow-up (mean 14 months).
Conclusions:
- AcrySof IOLs demonstrated a low incidence and severity of cell deposits in the Indian population.
- All observed cell types, including giant cells, resolved within one year.
- These findings suggest good biocompatibility of AcrySof IOLs and appropriate surgical techniques.
Purpose:
To evaluate the quantitative cytological response to AcrySof (Alcon) intraocular lenses (IOLs) in an Indian population by studying the incidence, fate, progression, and severity of cell deposits after uneventful phacoemulsification.
Setting:
Iladevi Cataract & IOL Research Center, Ahmedabad, India.
Method:
This clinical prospective study comprised 64 eyes of 64 healthy patients with senile cataract and no other ocular pathology having phacoemulsification and implantation of an AcrySof IOL. The eyes were observed for cell deposits. One week and 1, 3, 6, 12, and 15 months postoperatively, specular reflex was obtained by slitlamp biomicroscopy under x 20 magnification to record the incidence, progression, morbidity, and severity of small and large (including giant) cells on the IOLs.
Results:
The highest incidence of small cells was 18.7%. The cell deposits appeared at 1 week, peaked at 1 month, and were gone after 6 months. The severity was never more than grade 2 (5 to 10 cells). The highest incidence of large cells, including giant cells, was 23.4%. The deposits appeared at 1 month, peaked at 3 months, and were gone after 12 months. The severity was never more than grade 2 (3 to 5 cells). The highest incidence of giant cells was 6.2%. The deposits appeared at 3 months and were gone by 15 months. Severity was never more than grade 1 (2 cells). No IOL had cell deposits at the last follow-up (mean 14 months +/- 3.25 [SD]).
Conclusions:
The incidence, and especially the severity, of cell deposits in the Indian population was low. All cell types, including giant cells, disappeared within 12 months. This could reflect the biocompatibility of the AcrySof IOL and the appropriate surgical technique.
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