To the Editor:
We read with interest the article by Naderi et al. [1] and were intrigued by their finding of patients’ shifted preference towards immediate sequential bilateral cataract surgery (ISBCS) as a result of COVID-19. The COVID-19 pandemic has brought enormous challenges to ophthalmic service delivery in United Kingdom (UK) after postponement of elective clinical activities including cataract surgery during the first wave of pandemic (March– June 2020). New strategies are more needed than ever to redesign cataract service to overcome capacity issues, long waiting lists and patient’s fear of increased COVID-19 transmission risk in hospital settings [2]. Not only ISBCS offers advantages of reducing pressure on waiting lists but also reduces hospital visits and COVID-19 exposure risks for patients [3]. The Royal College of Ophthalmologists and UK and Ireland Society of Cataract and Refractive Surgery (UKISCRS) jointly recommended more ISBCS in suitable patients to streamline cataract services [4]. Ophthalmology Department at Sheffield Teaching Hospital followed this recommendation and encouraged its cataract surgeons to utilise ISBCS in appropriate candidates with careful counselling and consenting after the cataract service regained its activities in late July 2020. Here, we evaluated the characteristics of ISBCS case selections pre and post COVID-19 era and aimed to share our experience from both surgeons’ and patients’ perspectives with ISBCS.
A pre-set questionnaire was sent electronically to all the 17 cataract consultants and principals in our institution. A separate six-question patient survey was used to interview patients who had ISBCS during the 6-month period between 1 August 2020 and 31 January 2021 by telephone. All the survey responses were anonymous. Two telephone calls were attempted on a different day for each eligible patient. Verbal consent was obtained at the start of the interview. First-eye patients who required cataract surgery in both of their eyes were searched on Medisoft from 1 August 2020 to 31 January 2021 (post reopening of cataract service) and from 1 February 2015 to 1 February 2020 (before COVID-19) and their pre-op and post-op characteristics were collated. Categorical and continuous variables were tested with chi-squared test and t test respectively with p < 0.05 to justify significance. The study was approved by Clinical Effectiveness Unit in our institution and adhered to the tenets of the Declaration of Helsinki.
There were 3.05% of patients (24/788) who received ISBCS in the 6-month period following the reopening of cataract service, in comparison to 0.36% (44/12336) in the 5-year period before COVID-19 (p < 0.001). From these periods, two patients required additional interventions postoperatively, whose vision both later recovered to 6/6. There was no other major safety concern for ISBCS in our case selections. Good patient satisfaction with a high discharge rate was yielded (Table 1).
79% of the patients (19/24) who had ISBCS responded to telephone interviews. Of this cohort, 68.4% were positive towards ISBCS when first offered to them in the pre-op clinic and 73.7% rated a positive experience on the day of surgery. 57.9% of the patients would still have chosen ISBCS if the COVID-19 pandemic did not exist. After the experience of having same-day bilateral cataract surgery, 79% of the patients would recommend it to friends and family. Although few patients voiced negative experience (detailed in Table 2) they would still have chosen ISBCS due to advantages of fewer hospital visits, only one period of self-isolation required and faster binocular visual rehabilitation to avoid issues such as anisometropia.
Sixteen of 17 independent cataract surgeons (13 consultants and 3 principals) gave their perspectives on ISBCS, 11 of whom (68.8%) practised the recommendation of ISBCS in the wake of the pandemic for the following reasons: college guidance on the matter (36.4%), wanting to reduce patient visits (63.6%) and successful adoption by colleagues (9.1%). Ten surgeons (90.9%) rated positive experience with ISBCS overall. Seven surgeons (63.6%) have adopted the ISBCS practice for only less than a year. For the five surgeons who chose not to list ISBCS, their main concerns were serious post-op complications (e.g. endophthalmitis) (40%), more frequent but less serious post-op complications (e.g. cystoid macular oedema) (40%) and refractive surprise (20%).
Our experience has demonstrated safe and successful practice of ISBCS recommendation in appropriate case selections at a well-established teaching hospital cataract unit during the COVID-19 pandemic. We hope our experience could be beneficial to other units in the UK and beyond.
References
Naderi K, Maubon L, Jameel A, Patel DS, Gormley J, Shah V, et al. Attitudes to cataract surgery during the COVID-19 pandemic: a patient survey. Eye. 2020;34:2161–2.
Lin P-F, Naveed H, Eleftheriadou M, Purbrick R, Zarei Ghanavati M, Liu C. Cataract service redesign in the post-COVID-19 era. Br J Ophthalmol. 2020. https://doi.org/10.1136/bjophthalmol-2020-316917.
Ahmed IIK, Hill WE, Arshinoff SA. Bilateral same-day cataract surgery: an idea whose time has come #COVID-19. Ophthalmology. 2021;128:13–4.
Immediate Sequential Bilateral Cataract Surgery (ISBCS) during COVID recovery: RCOphth/UKISCRS rapid advice document. https://www.rcophth.ac.uk/wp-content/uploads/2020/07/Immediate-Sequetial-Bilateral-Cataract-Surgery-Guidance-2.pdf.
Acknowledgements
We thank all the patients and surgeons who responded to the survey and provided their valuable perspectives.
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Concept and design of the work: HW, JT. Acquisition, analysis or interpretation of data: HW, VR, MR, JT. Drafting the manuscript or revising it critically: HW, VR, MR, JT. Final approval of the version to be published: HW, VR, MR, JT.
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Wang, H., Ramjiani, V., Raynor, M. et al. Practice of immediate sequential bilateral cataract surgery (ISBCS) since COVID-19: a patient and surgeon survey. Eye 36, 888–890 (2022). https://doi.org/10.1038/s41433-021-01521-1
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DOI: https://doi.org/10.1038/s41433-021-01521-1
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