Cataract surgeons may periodically take time away from operating which can lead to skills fade. There is a paucity of research investigating the experiences of returning cataract surgeons and how different individual circumstances impact on their return. Our aim was to investigate the subjective experiences of UK ophthalmologists simultaneously returning to surgery following the nationwide elective surgical hiatus due to the Covid-19 pandemic.
An online survey was nationally distributed between 01/09/2020 and 29/10/2020 to registered UK ophthalmologists. Participants indicating a surgical hiatus of 8 weeks or more were included.
232 of 264 responses were analysed. Covid-19 was the most frequent reason for a surgical hiatus (median 15 weeks). Perceived operating difficulties were found in 29.1%. Transient anxiety (51.7%), reduced confidence, and perceived increased surgical time were commonplace. Trainees and females were more likely to encounter negative experiences (p < 0.001) and barriers to resource accessibility. Eyesi® and online videos were the most available and accessed pre-return resources. Childcare was five times more likely to present as a barrier to resource access for females than males.
Technical skills fade such as capsulorhexis difficulties were commonly perceived by trainee surgeons in addition to transient anxiety, reported in more than half of all surgeons following a hiatus as short as 8 weeks.
Eyesi® simulation offers the potential to negate technical de-skilling. Few had formal return plans or awareness of RCOphth guidance. We believe there is scope for more specialised and targeted support for future returning cataract surgeons thereby optimising patient care.
Cataract surgery is the most frequently performed elective surgical procedure globally, with an estimated 452,000 procedures undertaken in the UK during 2018−19 . With modern, microscopic, micro-incisional surgical techniques, visual and refractive outcomes are excellent with almost 95% of eyes achieving 0.3 LogMAR corrected visual acuity or better in eyes without co-pathology . Therefore, whilst it demands a high level of micro-surgical skills, cataract surgery is not only the most common but also one of the most successful in modern medicine, with increasingly higher patient and surgeon outcome expectations .
Surgeons may need to periodically take breaks from operating for a variety of reasons. In March 2020, the unprecedented Covid-19 pandemic resulted in a nationwide elective surgery hiatus with many ophthalmologists forced into a surgical break [3,4,5,6,7]. Surgical breaks have been shown to lead to technical skills fade . Observational studies amongst medical practitioners suggest that beyond a six-month interval, de-skilling, particularly fine-motor skills, occurs rapidly at the outset followed by a slower skill degradation over time [9,10,11]. The rate of skill loss varies between individuals and is dependent on many mitigating factors [8, 12].
In addition to technical skill loss associated with such surgical breaks, other non-technical factors such as increased stress, anxiety, and lost confidence can occur, which may additionally impact on a surgeons’ performance [13,14,15]. Since reduced performance may compromise patient safety, it is essential to understand better the impact of any surgical hiatus. This is particularly important in relation to cataract surgery, given the frequency at which it is undertaken and the high technical micro-surgical skills that modern cataract surgery demands [1,2,3].
There is a paucity of research and published literature to understand how factors such as the length of time away from undertaking surgery, return resource availability and utilisation, personal circumstances on return, and prior surgical exposure can impact ophthalmologists’ returning to cataract surgery experiences and outcomes . Whilst general guidelines exist, they lack any specificity and compulsion, and as such it is unknown whether ophthalmologists are aware or even utilise them [16,17,18,19,20]. This is in great contrast to comparable ‘high reliability’ professions such as aviation, which may also experience similar trends of technical skills degradation following breaks and have carefully considered the possible resultant implications for passenger safety . Unlike ophthalmologists, commercial pilots are subject to compulsory checklists, in addition to mental and physical screening before re-commencing their technical duties. A minimum of three take off and landings within 90 days are specified as an absolute requirement, which was altered to 1 in 60 days because of Covid-19 related skills fade . In addition, required prescribed hours of simulation, combined with supervised flights, are well established for commercial pilots returning to flying after extended breaks [22, 23]. In terms of patient safety and knowing that surgical breaks lead to skill fade, it would seem prudent that ophthalmology attempts to learn lessons from the aviation industry by investigating factors that may improve returns from surgical breaks, with perhaps a view to the development of more robust guidelines so that the outcomes of cataract surgery are optimised, and patient safety maintained.
To address these issues and given that the Covid-19 pandemic with periods of cessation of elective surgery during the first lockdown period in the UK from March to June 2020 provided an opportunity to study the subjective effects of time away from cataract surgery in ophthalmic surgeons on mass, we constructed and undertook this study. Our aim was to investigate the experiences and problems encountered by ophthalmic surgeons returning to cataract surgery following a minimum hiatus of 8 weeks, through a nationally distributed online survey, with the aim of identifying factors that are important in facilitating a safe return to elective cataract surgery.
All participants were required to consent to the publication and analysis of anonymized aggregate online survey data. The Health Research Authority (HRA) decision tool confirmed ethical approval was not required for this study . The survey was registered locally at Guys and St Thomas NHS trust.
Survey design and participants
The survey questions were informed by a literature search of peer-reviewed databases and published articles for terms relating to return to practice, surgery, and skills fade [8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23]. Draft questions were iteratively discussed and amended by authors LM and PN with senior oversight from DO’B. Bias was minimised through careful question selection, ordering, and the use of capitalisation for emphasis. A variety of single, multi-selection, multi-checkbox, and response validated date and time question formats were selected based on their suitability and ease of use. Final questions were used to develop an online survey using Google Forms™. The draft survey was reviewed and approved by The Royal College of Ophthalmologists prior to finalisation. The survey was piloted and tested to ensure all responses were correctly recorded. Survey questions are available in the supplementary data.
The survey was distributed via email by The Royal College of Ophthalmologists to all non-retired UK members on 1st September 2020 (approximately 3 months after the first Covid-19 lockdown restrictions eased in the UK) to all UK ophthalmologists with a valid registration to maximise responses. Responses were collected until the 29th October 2020. Participants responses were included where they indicated a surgical hiatus of 8 weeks or more, followed by a subsequent return to cataract surgery.
Continuous variables are presented as means (+/− standard deviation, SD). Categorical variables are reported as counts and percentages. For multi-response questions (resource utilisation, access barriers, operating difficulties, and subjective experiences) reported percentages are denominated by the total number of responses. The chi-squared test (χ2) was used to ascertain the level of significance. Multi-response questions were dichotomised into no/yes groups for the presence of ≥1 affirmative responses to ensure the mutually exclusive assumption of the χ2 test was not violated. All tests were performed using SPSS v.25, Chicago, IL.
From 264 entries, 232 unique entries fulfilled the inclusion criteria and were eligible for analysis. Given the survey sample size (n = 232), a 95% confidence interval and an estimated 1900−2200 UK-based ophthalmic surgeons (estimate calculated from RCOphth census) gave a 6% margin of error for study responses (Survey Monkey Calculator Inc, USA) [25, 26]. The mean age of respondents was 46 years (SD: 11 years). Trainee/fellow gender ratios were 52:48 for males and females compared to 72:28 for consultants and SAS. One in three respondents had performed over 5000 cataracts whilst 14.7% had performed less than 350 cataract operations (Table 1).
Most respondents (95.6%) cited Covid-19 pandemic restrictions as their primary reason for their most recent surgical hiatus which lasted a median of 15 weeks (interquartile range: 12−18 weeks). Other reasons for breaks in cataract surgery were research (1.8%, median 38 weeks), maternity leave (1.3%, median 36 weeks), and other (1.3%, median 18 weeks). Approximately 25% (n = 57) of respondents had one or more previous breaks away from cataract surgery prior to the Covid-19 pandemic; however, of these, only 3.1% reported two or more time-outs.
Resources available, accessed, and utilised
The Eyesi® (VR Magic, Germany) simulator and online videos were available to approximately 50% of respondents with 25−30% reporting eLearning and wet/dry labs availability (Fig. 1). Response for accessed resources was generally lower than those for availability, with Eyesi® (29.3%) and online videos (45%) being most frequently accessed. Low complexity lists (37.1%), Eyesi® simulator (37.9%), and wet/dry labs (24.6%) were the most highly requested resources. Some respondents reported having no local resources available (22.5%) or did not request additional resources (32.3%). Low complexity lists had the lowest reported barriers to access (53%) (Fig. 1). Female surgeons and trainees were significantly more likely to report resource availability and to have accessed resources, however, they were more likely to request additional resources and reported significantly higher barriers to accessing resources (Table 2). Female surgeons were significantly more likely to cite childcare/home-schooling barriers (20%) compared to male surgeons (4%), with time and inadequate facilities also more commonly reported barriers to resource access for female compared to male surgeons (Supplementary Data: Table 1).
Returning to cataract surgery after a hiatus
Only 11.6% of respondents reported that a formal plan was made prior their return cataract surgery, whilst 31.5% reported an awareness of return to practice guidelines, of which 63% found them useful. Operating difficulties were frequently encountered after returning to cataract surgery (29.1%), with main incision and capsulorrhexis construction, phacoemulsification, and posterior capsular rupture (PCR) management the most frequently reported difficulties (Fig. 2). Operating difficulties were significantly associated with trainee status (p < 0.001) but not gender. Commonly reported negative experiences after returning to cataract surgery were transient anxiety, a perceived increase in operating time, and reduced confidence in operating ability. Negative experiences were significantly more common amongst female and trainee surgeons (p < 0.001), especially a perceived increase in operating time and reduced confidence in operating ability (Fig. 3). There was a significant association between negative experiences and cataract surgery experience (p < 0.001). The proportion of ophthalmic surgeons with up to 7 years’ cataract surgery experience reporting one or more negative experiences was 96%, compared to 61.9% amongst surgeons with an excess of 20 years’ experience. Protective factors against negative experiences included older age, male gender, and prior surgical experience.
The survey response rate (~12% of UK ophthalmic surgeons) compares favourably to other nationally distributed surveys [15, 27, 28]. Demographic data for age, gender, trainee/fellow/consultant/SAS status matched well with RCOphth census reports (Table 1) . Trainees accounted for 26% of the cohort, which correlates with the 25% estimate from the national census. Most survey respondents (85.4%) had performed the minimum number of surgeries (350 cataract operations) required prior to the attainment of the certificate of completion of training (CCT) in the UK . Two-thirds of respondents were unaware of any RCOphth guidelines and only 1 in 9 people had a formal plan for returning to surgery, which suggests that there is a need to improve awareness and develop tailored guidelines.
Negative experiences were reported amongst all groups with reduced confidence, time inefficiency, and transient anxiety common-place, and with trainees much more commonly affected (Table 2). Few ophthalmologists reported having no negative experiences, especially trainees, with a multitude of experiences reported including diminished abilities, increased work stress, anxiety, intraoperative complications, and frustration whilst operating. This suggests a surgical hiatus as short as 8 weeks may trigger these negative perceptions. Over-learning, the concept pertaining to having extensive knowledge, more than the required minimum, has been shown to be protective against de-skilling . This concept may explain the survey observations, that more experienced surgeons are better protected from negative experiences . Junior surgeons may underreport negative experiences compared to more senior trainees because of unconscious incompetence, a recognised learning stage .
Accessibility and availability of simulation resources
Trainees were significantly more likely to report the availability of and access resources, but they also reported more access barriers compared to consultants/SAS surgeons (Table 2). Trainees in registrar years tended to report better awareness and utilisation of resources, which may represent a more independent and pro-active stage of technical skill acquisition. The most desired resources were Eyesi® and access to low complexity lists. Although Eyesi® was reportedly available to 48% of respondents, only 29% accessed the surgical simulator, citing Covid-19, distance to the site of the simulator, and time as key barriers. The proactive organisation between the RCOphth, ophthalmic surgeons, administrators, and managers could overcome some of these barriers. It is possible that low complexity lists might have been less achievable during the pandemic recovery because of more visually significant and complex cataracts requiring more timely surgical intervention once services resumed.
Females account for 50% of the trainee ophthalmologist population and just under a third of the post CCT populous. Interestingly, female surgeons were more likely to have knowledge of available learning resources, access these resources, request resources, identify barriers to accessing resources and report negative subjective experiences on their return (Table 2). In part, this might be explained by a higher frequency of females who had taken prior time out, and who may therefore be aware of beneficial resources. The RCOphth census confirms that maternity leave is the most common reason for time out, accounting for 59.6% of all deanery trainee absences, followed by 21.3% for out of programme activity, 12.8% for research, and 6.4% long term sickness . Childcare responsibilities were cited as barrier to learning resources by a causative factor of five times more when compared with their male colleagues (Supplementary Data: Table 1). Since female trainees returning from maternity leave are likely to have encountered prolonged breaks, confounded by new childcare responsibilities and additional unknown personal circumstances, this montage of mitigating factors could make surgical returns more challenging. As such, targeted guidance for this sub-group might be beneficial and could include accessible simulation resources, more flexible rotas, mentorship, and formal work plans.
Operative difficulties and simulation
Subjective operative difficulties were experienced by 39.2% of respondents. There was no difference reported between gender, but it was associated with trainee status and reduced surgical experience. The most reported difficulties were with the main incision, capsulorhexis, phacoemulsification, and PCR. This supports published literature that describes capsulorhexis and phacoemulsification as the two most difficult stages of cataract surgery to learn and further highlights a lack of confidence amongst trainees managing PCR [32,33,34]. Since poor management of PCR may result in significant visual morbidity, refresher training in PCR management should be an important focus for returning surgeons . The Eyesi® simulator can provide the simulation of capsulorhexis, phacoemulsification, and PCR management. It has also been shown to reduce PCR rates amongst 1st and 2nd-year surgeons [36, 37]. Since skill repetition can result in improved surgical confidence and improved time efficiency, access to an Eyesi® simulation is a key resource to negate the effects of a surgical hiatus . Overcoming barriers to accessing learning resources could include, better local distribution of equipment, remotely supervised simulation, home-based delivery of simulation, and pre-recorded online training videos. Many of these are currently under development as part of the Covid-19 recovery; updates can be accessed through the RCOphth and UKISCRS websites [16, 38].
Covid-19 accounted for more than 95% of the current surgical time-outs, which should be considered throughout the interpretation of the results. Pandemic-specific factors, such as travel restrictions, may not be generalisable to other reasons for time out. Widespread uncertainty, because of the pandemic, might also influence reported experiences (e.g., anxiety). It is also not possible to infer if the reported PCR complications were higher due to the surgical hiatus, although this is important to investigate and likely an area of future research by the National Ophthalmic Database Audit. It is of note that whilst more trainees reported difficulties with PCR than senior surgeons, these differences were not significant. A significant proportion of respondents (60%) had over 13 years’ surgical experience and 1 in 3 had performed more than 5000 cataracts which may represent a more senior surgical profile. Equally, senior surgeons were the first to be enrolled back to cataract surgery services following the ease of pandemic restrictions which may influence survey responses.
Continuously mounting pressure on public healthcare systems requires a robust workforce to meet demands. It is important to optimise our understanding of the changing workforce to provide the best support and retain highly skilled colleagues while maintaining a focus on patient safety. Our observations have identified common themes amongst cataract surgeons returning from a hiatus, which we believe are applicable to different types of surgical return beyond the Covid-19 pandemic or indeed cataract surgery.
Transient anxiety is widespread and represents a common experience occurring 8 weeks or more after a surgical hiatus. Therefore, the discussion of negative experiences should be encouraged within the framework of supportive supervision and mentorship. Subjective technical skills fade varies between individuals but was highest amongst trainees and those with less surgical experience prior to their hiatus. Self-reported difficulties with capsulorhexis, phacoemulsification, and PCR management are all amenable to good quality simulation . The provision of more flexible, remotely accessible, supervised simulation and increased resource distribution will help to overcome barriers such as childcare constraints and geographical limitations . Currently, there is no compulsory framework for surgical returns for ophthalmology in the UK. Since trainees are more likely to experience challenges, we recommend that a clear checklist, combined with a supervisory meeting, be introduced for ophthalmology trainees returning from intervals of 8 weeks or more. Confident, competent, and supported surgeons will likely provide safer, more efficient, high-quality patient services.
What was known before
Technical skills fade has been observed amongst surgeons following an extended period away from clinical practice. The effects and experiences of returning cataract surgeons following a hiatus, as occurred with the Covid-19 pandemic, are unknown.
What the study adds
Transient anxiety is a common shared experience across all cataract surgeons returning to surgery following a hiatus of 8 weeks.
Technical issues with capsulorhexis, phacoemulsification, and posterior capsular rupture are commonly reported on return to cataract surgery, with operating difficulties associated with trainee status.
One or more negative experiences are commonly reported after returning to cataract surgery following a hiatus with more frequent reporting amongst female and trainee surgeons.
Trainee status is significantly associated with higher resource utilisation.
Female surgeons are five times more likely to report barriers to accessing learning resources because of childcare compared with male colleagues.
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DO’B holds non-commercial research grants with Rayner Ltd., Alcon Inc., and Avedro Inc. He is a consultant to Zeiss and Sparca Inc.
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Maubon, L., Nderitu, P. & O’Brart, D.P.S. Returning to cataract surgery after a hiatus: a UK survey report. Eye 36, 1761–1766 (2022). https://doi.org/10.1038/s41433-021-01717-5
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