Ophthalmology Education in COVID-19: A Remote Elective for Medical Students

Abstract

Background The novel coronavirus disease (COVID-19) has created obstacles for medical student education, as clinical rotations were temporarily halted. Recent literature shows online electives may provide an alternative learning platform. We developed a teleophthalmology student elective for rising third-year medical student (MS3) and fourth-year medical student (MS4) to continue teaching and exposure to the field.

Methods A 4-week remote elective was approved by Emory University School of Medicine and offered between April 18, 2020, and May 15, 2020, for rising MS3s and MS4s. The curriculum consisted of online self-study materials, student presentations, chart review assignments, case-based discussions with faculty, and telehealth experiences. All students were surveyed and tested with questions from United States Medical Licensing Examination World (UWorld) test bank at the end of the course.

Results A total of 18 students were enrolled, with 66.7% MS3 and 33.3% MS4 participants. The mean rating of fulfillment of course learning objectives was 8.1/10 (range, 6.7–8.8), with mean ratings of 8.2 for MS3s and 7.7 for MS4s. There was a significant increase in self-reported knowledge in ophthalmology, with an increase from 4.6 to 8.1 for MS3s (p = 0.002) and 6.7 to 8.0 for MS4s (p = 0.04). Students also reported higher interest in the field, with an increase from 4.9 to 7.8 for MS3s (p = 0.01) and 7.5 to 8.7 for MS4s (p = 0.1). The students performed significantly higher on the postcourse test (94.8%) than UWorld question bank users (74.1%) (p < 0.001).

Conclusion Our novel ophthalmology elective significantly enhanced self-reported medical student knowledge and interest in the field during a crisis that required transition to remote learning. Further study of student telehealth experience and objective assessment is needed to improve online learning in ophthalmology.

Keywords

medical student education - undergraduate ophthalmology education - severe acute respiratory syndrome coronavirus 2 pandemic - coronavirus disease - COVID-19 - telemedicine - telehealth - remote learning - online teaching

The severe acute respiratory syndrome coronavirus 2 pandemic began in Wuhan, China at the end of 2019 and led to unprecedented changes in medicine.[1] [2] As social distancing measures were implemented, medical schools were forced to consider the implications coronavirus disease (COVID-19) would have on the structure of medical education.[3] On March 17, the Association of American Medical Colleges recommended to pause all medical student clinical activities.[4] This led to rising third-year medical student (MS3) and fourth-year medical student (MS4) to turn to virtual learning, instead of hands-on education in the hospital.

Medical students interested in ophthalmology have been significantly impacted by these changes due to the limited exposure students have to the field.[5] [6] [7] Ophthalmology is not unique among medical specialties that rely on physical provider–patient interaction. However, common ophthalmic screening can be performed virtually. There is an opportunity for students to be incorporated into telehealth initiatives. Coupled with online learning, this model could teach clinical pearls and familiarize the student with virtual health care.

Online learning models have shown to be successful in other fields of medicine.[8] In one study, the online platform Zoom has shown to be effective in team-based learning for pathology, with a 96.5% attendance rate and an 85% satisfaction.[9] In another institution, video-conferencing software Google Hangouts is used to teach clinical anatomy.[10] Surgical departments in the United States have been adapting remote curricula in topics such as neurosurgery.[8] These efforts highlight the potential of online teaching during this unprecedented time.

It is clear that the absence of medical students in the clinical environment has negatively impacted medical education during COVID-19. Thus, there is a need to restructure ophthalmic medical education. Here, we present a 4-week novel ophthalmology curriculum for clinical medical students, which begins to explore the integration of students into telemedicine platforms and provides both group and self-study sessions.

Methods

This study was approved by the Emory University Institutional Review Board (00000487). Between April 18, 2020, and May 15, 2020, a 4-week teleophthalmology elective was offered to Emory University School of Medicine rising MS3 and MS4 via the video-conference software Zoom (San Jose, CA). The elective was 1 of 34 virtual electives offered during COVID-19 to mitigate educational interruptions. Other electives were 1 to 4 weeks in length and topics ranged from the COVID-19 pandemic and epidemiology to specialty-specific courses in medicine and surgery. The course was codirected by the school's director of medical student education (E.B.G.) and Grady Memorial Hospital's chief of ophthalmology (Y.M.K.). The elective was proposed and organized by two rising MS4s (S.N.D. and O.E.U.).

Course Curriculum

The elective's mission was to promote continued learning in ophthalmology through six different learning objectives (LOs) ([Table 1]). There were no course prerequisites required for enrollment. The elective was graded on a pass–fail system. Course requirements included completion of self-study and chart review assignments, a peer presentation, and attendance at all in-class activities and didactics sessions.

Table 1 Teleophthalmology course learning objectives

1	To familiarize students with components of the history and physical specific to ophthalmology
2	To learn differences between televisits and in-person ambulatory ophthalmology visits
3	To identify “high-risk” ophthalmic conditions prioritized in televisits
4	To become acquainted with the management of high-risk ophthalmic conditions
5	To extract relevant data from medical records for teleophthalmology visits
6	To engage with ophthalmology faculty and/or patients through Zoom

The first component of the course was online self-directed learning, which consisted of prerecorded lectures and interactive online activities ([Fig. 1]). The first week provided an introduction to the eye and covered topics on red eye and acute vision loss. The second week focused on chronic vision loss, systemic disease, glaucoma, and retinal diseases. The third week concentrated on orbital trauma and oculoplastic surgery. The final week was devoted to pediatric ophthalmology, neuro-ophthalmology, and ocular oncology. Students were required to submit proof of completion of interactive online activities.

Fig. 1 Resources utilized for self-study activities.

The second component was student presentations held twice a week. Each student gave a 15-minute case-based session to teach fellow students about an ophthalmic disease. They were tasked to discuss if the case was “high risk” and should be seen emergently, urgently, or remotely via telemedicine. Topics chosen by MS4 course organizers included bacterial conjunctivitis, corneal ulcer, uveitis, age-related macular degeneration, diabetic retinopathy, retinal detachments, retinal vascular occlusions, primary open and angle closure glaucoma, ocular chemical burns, ptosis, lacrimal disease, nystagmus, strabismus, diplopia, ischemic optic neuropathies, optic neuritis, and ocular melanoma. Presentations were evaluated by the MS4 course organizers, with additional 5 minutes of live feedback from peers.

The third component was case-based discussions led by department faculty. There were eight discussions: Acute vision loss, red eye, chronic vision loss, oculoplastic surgery, ocular trauma, neuro-ophthalmology, pediatric ophthalmology, and ocular oncology. Each session was 1 hour. Students were required to attend each session with audio and video settings turned on and participate in discussions. Faculty were provided with open-access American Academy of Ophthalmology faculty discussion slides but were permitted to use their own presentations.

The fourth component was optional telehealth observations at Emory Eye Center, offered in the fourth week. All interested students were required to complete the Emory Healthcare “Telehealth for Providers” online training. Each visit started with a video discussion between the patient and ophthalmic technician, who asked if the patient would be comfortable with a learner present. If so, the technician e-mailed the Zoom link of the virtual room to the student and formed a three-screen Zoom conference. The student took the history and performed a focused ophthalmic examination, as the technician recorded the findings and conducted additional tests. Once the technician exited, the faculty member virtually entered the room. The student presented the findings and repeated parts of the examination requested. Each encounter was followed by a 5-minute feedback session with the technician and faculty member.

The fifth component was chart review activities. All students with access to the electronic medical record (EMR) platform engaged in remote chart review projects aimed at helping the residents working at the Grady Eye Center during the COVID-19 outbreak. Through review of medical records, students created lists of patients with “high-risk” conditions who required prompt evaluation. Each student was assigned 15 patient charts per week and assignments were reviewed by the MS4 course organizers for completion.

Student Assessment

An anonymous electronic postcourse survey was made on Google Forms (Mountain View, CA) and distributed to students via e-mail ([Supplementary Table S1], available in the online version). Each survey had 20 questions, including 11 10-point Likert scale questions. All students completed an electronic informed consent. Each survey contained baseline demographic characteristics, such as perceived knowledge level and interest in ophthalmology. Questions about LOs and free-response feedback were incorporated. Students who participated in a televisit were asked to comment on their experiences. An anonymous postcourse multiple-choice test was also distributed ([Supplementary Table S2], available in the online version). The test consisted of 15 multiple-choice questions selected from the United States Medical Licensing Examination World (UWorld) Step 2 Clinical Knowledge (CK) question bank (Dallas, TX). This subscription-based board review question bank is commonly used by clinical students nationwide.[11] Each question evaluated a topic covered by the curriculum. The answer and mean user score for each question were obtained by the medical student course organizers, who had personal access to the question bank.

Statistical Analysis

The survey and test data were visualized on Microsoft Excel (Microsoft, Seattle, WA). Descriptive data analysis on student characteristics of interest was conducted. Preliminary Shapiro–Wilk's tests revealed nonparametric distribution for all data groups and subgroups. Thus, the Mann–Whitney U test was used for independent continuous data, Wilcoxon's signed-rank test for paired continuous data, and Fisher's exact test for categorical data. All analyses were conducted using XLSTAT for Microsoft Excel (Addinsoft, Paris, France), with a p-value of significance set at 0.05.

Results

A total of 18 students enrolled in the 4-week elective. All students completed the course survey and test. Eleven students (61.1%) were women and seven were men. Eleven (61.1%) students identified as white. There were 12 rising MS3s and 6 rising MS4s. The mean (standard deviation [SD]) age was 24.8 (2.1) years. Most students were comfortable using Zoom. Age and gender of students were not significantly different between the groups. A higher number of MS4s planned to apply to ophthalmology residency and reported higher baseline interest compared with MS3s, yet the difference did not meet statistical significance for either end point. However, MS4s reported a significantly higher baseline knowledge in the field than MS3s (p = 0.02). Baseline class characteristics are provided in [Table 2].

Table 2 Baseline characteristics of 18 students in the teleophthalmology course

Characteristics	Class (n = 18)	MS3 (n = 12, 66.7%)	MS4 (n = 6, 33.3%)	p-Value
Mean age, y (range)[a]	24.8 (2.1)	24.4 (2.4)	25.5 (1.0)	0.07
Female sex, n (%)[a]	11 (61.1)	7 (58.3)	4 (66.7)	1.0
Race—white, n (%)[a]	11 (61.1)	5 (41.2)	6 (100.0)	0.1
Planning to apply to ophthalmology residency, n (%)[a]	8 (44.4)	4 (33.3)	4 (66.7)	0.3
Perceived knowledge in ophthalmology (SD)[b] [c]	5.3 (1.7)	4.6 (1.1)	6.7 (2.1)	0.02
Interest in ophthalmology (SD)[b] [c]	5.8 (2.8)	4.9 (2.9)	7.5 (1.8)	0.07
Comfort level using Zoom teleconferencing (SD)[b] [c]	9.2 (1.1)	9.0 (1.2)	9.5 (0.8)	0.4

Abbreviations: MS3, third-year medical student; MS4, fourth-year medical student; SD, standard deviation.

^a Comparison using Fisher's exact test between MS3 and MS4.

^b Ten-point Likert scale, with 1 indicating low and 10 indicating high.

^c Comparison using Mann–Whitney's U test between MS3 and MS4.

Fulfillment of Learning Objectives

The majority of students favorably reviewed the course and its fulfillment of LOs, with a mean overall rating of 8.1 (range, 6.7–8.8). The ratings (SD) were 8.6 (1.3), 7.3 (1.5), 8.8 (1.2), 8.6 (1.4), 8.3 (1.6), and 6.7 (10) for LOs 1 to 6, respectively. MS3s reported equal or higher ratings across all LOs compared with MS4s, with mean overall ratings of 8.2 for MS3s and 7.7 for MS4s. A statistically larger number of MS3s reported the course met LO5 “extracting data from electronic patient charts” compared with MS4s, with ratings of 8.8 and 7.5 for MS3s and MS4s, respectively (p = 0.02) ([Supplementary Table S3], available in the online version).

Ophthalmology Knowledge and Interest

Overall, the mean (SD) baseline self-reported ophthalmic knowledge of the class was 5.3 (1.7), with ratings of 4.6 (1.1) by MS3s and 6.7 (2.1) by MS4s ([Table 3]). There was a significant increase in self-reported knowledge following course completion, with a mean (SD) class rating of 8.1 (1.1) (p < 0.001). Students from both academic years reported significant enhancement in knowledge, with final reported ratings of 8.1 (0.9) (p = 0.002) and 8.0 (1.4) (p = 0.04) for MS3s and MS4s, respectively.

Table 3 Baseline and postcourse comparison of ophthalmology interest and knowledge by student academic year

Study group	Mean baseline knowledge (SD)	Mean postcourse knowledge (SD)	p-Value[a]	Mean baseline interest (SD)	Mean postcourse interest (SD)	p-Value[a]
Class (n = 18)	5.3 (1.7)	8.1 (1.1)	<0.001	5.8 (2.8)	8.1 (1.3)	0.003
MS3 (n = 12, 66.7%)	4.6 (1.1)	8.1 (0.9)	0.002	4.9 (2.9)	7.8 (1.3)	0.01
MS4 (n = 6, 33.3%)	6.7 (2.1)	8.0 (1.4)	0.04	7.5 (1.8)	8.7 (1.2)	0.1

Abbreviations: MS3, third-year medical student; MS4, fourth-year medical student; SD, standard deviation.

^a Comparison using Wilcoxon's signed-rank test.

Similar to baseline knowledge, the mean (SD) baseline interest of the class was rated at 5.8 (2.8), with mean MS3 rating of 4.9 (2.9) and mean MS4 rating of 7.5 (1.8) ([Table 3]). A 2.3-point increase in ophthalmology interest was observed, with a final mean (SD) class rating of 8.1 (1.3) (p = 0.003). Both student groups reported an increase in interest in the field, with final mean (SD) ratings of 7.8 (1.3) and 8.7 (1.2) for MS3s and MS4s, respectively. The 2.9-point increase in MS3 interest was significantly higher than baseline rating (p = 0.01). However, the 1.2-point increase in MS4 interest did not achieve significance (p = 0.1).

For the postcourse test, the mean class score (SD) was 94.8 (7.1), with a range of 77.8 to 100.0. The mean score for UWorld users for the 15-question test was 74.1 (12.9), with a range of 50.0 to 94.0. Overall, the class performed significantly higher than the average UWorld user (p < 0.001). This significance persisted when the class was grouped by academic year ([Fig. 2]). The class demonstrated higher scores than UWorld users for each topic. There was no significant difference between MS3 (SD) and MS4 (SD) performance, which were 96.1 (5.3) and 92.2 (12.2), respectively (p = 0.35).

Fig. 2 Test results of the overall class, MS3s, MS4s, and UWorld users. Note: Error bars reflect standard deviation. Comparison using Mann Whitney U-test. ^∗∗∗ p < 0.001. MS3, third-year medical student; MS4, fourth-year medical student; UWorld, United States Medical Licensing Examination World.

Telehealth Experience and Chart Review Activities

Eleven out of 18 (61.1%) students observed a telehealth experience. When the class was stratified by telehealth observation, there were no significant differences in baseline parameters and most LO ratings between observers and nonobservers. However, LO5, “extracting relevant data from electronic patient charts” was rated significantly higher by telehealth participants, with a mean (SD) score of 9.0 (1.4) compared with 7.9 (1.6) for nonparticipants (p = 0.03). Ten (90.9%) telehealth observers responded to the open-response questions. Seven students highlighted positive interactions with faculty. Five students suggested areas of improvement, including increasing the number of visits and providing students with the patient charts prior to each visit.

Fifteen out of 18 (83.3%) students engaged with patient care virtually through participation in the chart review activities. The weekly chart assignments aided residents and faculty in triaging which patients needed to be seen urgently in clinic or via telehealth visits. While helpful to the residents, these chart review activities received mixed reviews from students. Two students enjoyed this component of the course, citing its utility in offering an introduction to the EMR system prior to starting clinical rotations. However, two students did not see educational benefit in the chart review activities, and one additional student suggested coupling chart review activities with telehealth visits for increased student engagement.

Qualitative Responses

A total of 17 (94.4%) students delivered open-response feedback. Fourteen students praised the chosen self-study learning materials, seven students applauded the course organization, five students liked case-based discussions, five students reported they enjoyed peer presentations, and three students appreciated the flexibility of the course schedule. There were several suggestions for improvement. Eleven students mentioned increasing time with faculty members. Three students suggested making peer presentations more interactive, either by having a faculty liaison or the presenter calling on other students.

Discussion

A month-long remote course was successfully implemented during COVID-19 to promote learning in ophthalmology. There was a significant increase in self-reported knowledge for MS3s and MS4s. In addition, self-reported interest in ophthalmology increased significantly for MS3s. The class performed significantly higher in ophthalmology questions than UWorld Step 2 CK question bank users. Our study suggests remote electives may have great potential to enhance student education, knowledge, and interest in ophthalmology.

Overall, the course was well received. Open-response survey questions demonstrated high student satisfaction with course organization and quality of teaching materials. Students praised the utility of peer presentations and faculty discussions. An area of improvement was standardizing faculty discussions. Though faculties were provided with cases, they were encouraged to utilize their own materials to permit innovative teaching. The feedback suggests a structured approach to learning is favored. It also advocates for a centralized curriculum in the field. An open-source Web site with prerecorded lectures, standardized slides, and questions for discussion can augment our elective, as well as virtual learning across institutions. Additional course improvements could be made via faculty feedback on student engagement.

Over half of the class participated in a televisit. Many students noted the number of telehealth experiences should be increased to once or twice per week. This is not surprising, as these observations were only offered in the last week due to technical difficulties. Thus, each student was only able to observe a single visit. Pairing students with clinicians at least a week prior to the visit can also enhance the experience. Seven students chose not to observe a visit. This cannot be attributed to low self-reported interest alone, as a stratified analysis showed no significant difference between televisit participants and nonparticipants. This result may be due to scheduling conflicts outside of the elective, as students were asked to sign up toward the end of the third week. It is also possible that students were not quarantined in a space to conduct a professional virtual visit, preferring self-study activities.

It is important to acknowledge concerns regarding trainee involvement in the virtual ophthalmic examination. Teleophthalmology poses many challenges to ophthalmologists. Lack of access to diagnostic equipment restricts patient management strategies. Most providers do not have previous telehealth training, so some may not precept a learner until they are comfortable with using the virtual platform. Due to similar reasons, some patients may not wish to have a trainee in the virtual room. As the comfort levels of patients and providers improve, so will the opportunities for trainees.

The lessons learned in this course are not only applicable to crises that require transition to remote learning but also for contemporary medical education. The utility of in-person lectures compared with online lectures has been debated.[12] [13] [14] Prior to COVID-19, many medical schools had witnessed a decline in student attendance, likely in part due to increased emphasis on licensing examinations by residency programs.[15] [16] [17] In the ever-changing landscape of medical education, remote courses may become permanent or combined with clinical experiences.[18] [19] [20] At our institution, for example, we created an in-person/telehealth hybrid model for the MS3 ophthalmology curriculum. Though we have not offered the elective to a second cohort, our course design offers an alternative to the traditional “away” rotation. As the entire curriculum can be conducted remotely, it can aid students without ophthalmology programs at their home institution. It can also provide mentorship and career development opportunities to faculty, who wish to train the next generation of ophthalmologists.

Our study's strengths include its large sample size and current relevance of remote medical education. To our knowledge, this is the first distance-learning 4-week course in ophthalmology implemented during COVID-19. With a sample size of 18 students between two academic years, we were able to collect substantial quantitative and qualitative information on course effectiveness and areas of improvement.

The largest limitation of our study is the lack of a precourse survey. Our results were acquired from post hoc reflection, limiting internal validity. However, comparison of posttest results with UWorld users provides an objective assessment of student performance and increases external validity. The test bank users may also be limited as a control group. Most UWorld users test their ophthalmology knowledge with randomly generated questions across multiple topics, compared with our students who took a short ophthalmology-specific quiz. Additionally, our study may be subject to selection bias. Given these students chose our particular elective, they were likely more interested in ophthalmology compared with the medical student population. This is evident from the moderate MS3 and high MS4 self-reported baseline interest. In spite of limitations, the improvement in self-reported knowledge and interest underscores the success of our curriculum.

Conclusion

In summary, we present a remote ophthalmology curriculum for medical students shown to be successful during COVID-19. This curriculum may be helpful to educators worldwide, who wish to introduce the field to students or integrate an online curriculum with a clinical ophthalmology course. Studies of telehealth experience and objective assessment are needed to further explore the potential of remote learning in ophthalmology, as COVID-19 continues to transform medical education.

Conflict of Interest

None declared.

Acknowledgments

The authors thank Pavlina Kemp, MD, and other educators who have contributed to open-access ophthalmology medical student education platforms incorporated in this study.

^* These authors contributed equally to this study.

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Publication History

Received: 17 June 2020

Accepted: 04 August 2020

Article published online:
10 October 2020