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COVID-19 and Eye Health Research Round Up: May 2021

All the research related to eye health and COVID-19 published in May 2021, sourced from LitCovid.

Doctor screening a patient in a clinic with a torch, both wearing face masks


The following links have been sourced from LitCovid.

Patient perspectives 

  • Patient Concerns Regarding Suspended Ophthalmic Care Due to COVID-19, Journal of Glaucoma, vol. Online First, May 2021, doi: 10.1097/IJG.0000000000001877. 
  • Knowledge, Attitudes, and Practices Regarding Coronavirus Disease Among Patients Visiting Eye Hospitals of Province Number 2, Nepal, Asia Pac J Public Health, p. 10105395211014648, May 2021, doi: 10.1177/10105395211014647. 


Primary eye care 

  • Building supply chain capacity for neglected tropical diseases: experience from the Ascend West and Central Africa programmeTransactions of The Royal Society of Tropical Medicine and Hygiene, no. trab068, May 2021, doi: 10.1093/trstmh/trab068. 
  • COVID-19: risk of ocular transmission in health care professionals. Rev Bras Med Trab, vol. 19, no. 01, pp. 82–87, 2021, doi: 10.47626/1679-4435-2021-598. 
  • Evaluation of the Manchester COVID-19 Urgent Eyecare Service (CUES), Eye, pp. 1–9, Apr. 2021, doi: 10.1038/s41433-021-01522-0. 
  • Potential Utility of School-Based Telehealth in the Era of COVID-19Journal of School Health, vol. n/a, no. n/a, doi: 
  • Telehealth-based eye care during the COVID-19 Pandemic: Utilization, Safety and the Patient Experience, American Journal of Ophthalmology, vol. 0, no. 0, Apr. 2021, doi: 10.1016/j.ajo.2021.04.014. 
  • Eye Protection in ENT Practice During the COVID-19 PandemicOTO Open, vol. 5, no. 2, p. 2473974X211010408, Apr. 2021, doi: 10.1177/2473974X211010408. 


Emergency Department/Clinic settings 

  • A Review of Ophthalmic Telemedicine for Emergency Department Settings. Semin Ophthalmol, 2021, doi: 10.1080/08820538.2021.1922712. 
  • Acute community ophthalmology services provided by independent prescribing optometrists supporting hospital eye services during the COVID-19 outbreakJournal of Optometry, Jan. 2021, doi: 10.1016/j.optom.2021.01.002. 
  • Implementation of a new telephone triage system in ophthalmology emergency department during COVID-19 pandemic: clinical effectiveness, safety and patient satisfaction., Eye (Lond), 2021, doi: 10.1038/s41433-021-01528-8. 
  • Ophthalmic emergency-room visits during the Covid-19 pandemic – a comparative studyBMC Ophthalmology, vol. 21, no. 1, p. 210, May 2021, doi: 10.1186/s12886-021-01976-6. 
  • Patient and Resource Management of Emergency Walk-In Clinic During a COVID-19 Pandemic State Lockdown, OPTH, vol. 15, pp. 1791–1797, Apr. 2021, doi: 10.2147/OPTH.S291180. 
  • The impact of COVID-19 on traumatic eye emergencies needing surgery, Eye, pp. 1–2, May 2021, doi: 10.1038/s41433-021-01565-3. 
  • Trends in pediatric ocular trauma presenting to an ophthalmology-specific emergency department during the COVID-19 pandemicJournal of American Association for Pediatric Ophthalmology and Strabismus, p. S1091853121000951, Apr. 2021, doi: 10.1016/j.jaapos.2021.01.004. 


Tertiary care 

  • Delayed follow-up of medical retina patients due to COVID-19: impact on disease activity and visual acuity, Graefes Arch Clin Exp Ophthalmol, May 2021, doi: 10.1007/s00417-021-05174-4. 
  • Impact on refractive surgery due to increasing use of personal protection equipment: Insights from EUROCOVCAT group., Eur J Ophthalmol, 2021, doi: 10.1177/11206721211018641. 
  • The Impact of COVID-19 on Acute and Elective Corneal Surgery at Moorfields Eye Hospital London, OPTH, vol. 15, pp. 1639–1645, May 2021, doi: 10.2147/OPTH.S302576. 
  • Retina in the Age of COVID-19, Adv in Oph, Apr. 2021, doi: 10.1016/j.yaoo.2021.04.013. 


Eye Diseases 

  • ‘Old wine in a new bottle’ – post COVID-19 infection, central serous chorioretinopathy and the steroidsJournal of Ophthalmic Inflammation and Infection, vol. 11, no. 1, p. 14, May 2021, doi: 10.1186/s12348-021-00244-4. 
  • Afferent and Efferent Neuro-Ophthalmic Complications of Coronavirus Disease 19, Journal of Neuro-Ophthalmology, vol. 41, no. 2, pp. 154–165, Jun. 2021, doi: 10.1097/WNO.0000000000001276. 
  • Endophthalmitis after intravitreal injections during the COVID-19 pandemic with implementation of universal masking, RETINA, vol. Publish Ahead of Print, May 2021, doi: 10.1097/IAE.0000000000003193. 
  • Optic Nerve Head Vessel Density Assessment in Recovered COVID-19 Patients: A Prospective Study Using Optical Coherence Tomography AngiographyJournal of Glaucoma, vol. Online First, May 2021, doi: 10.1097/IJG.0000000000001858. 
  • Bilateral Acute Angle Closure Glaucoma after Prone Position Ventilation for COVID 19 Pneumonia, Journal of Glaucoma, vol. Online First, May 2021, doi: 10.1097/IJG.0000000000001864. 


Dry Eye 



  • COVID-19 and the increased risk of myopia and digital eye strain., Einstein (Sao Paulo), 2021, doi: 10.31744/einstein_journal/2021CE6491. 
  • Slowing Down Myopia Progression with Contact Lenses – Everyday Cases from the ClinicKlin Monbl Augenheilkd, vol. 238, no. 04, pp. 437–442, Apr. 2021, doi: 10.1055/a-1440-0642. 
  • Student Health Implications of School Closures during the COVID-19 Pandemic: New Evidence on the Association of e-Learning, Outdoor Exercise, and MyopiaHealthcare, vol. 9, no. 5, Art. no. 5, May 2021, doi: 10.3390/healthcare9050500.



  • Effects of the COVID-19 Pandemic on Turkish Ophthalmologiststjo, vol. 51, no. 2, pp. 95–101, Apr. 2021, doi: 10.4274/tjo.galenos.2020.52563. 
  • Impact of COVID-19 on preparation for the Certificate of Eligibility for Specialist Registration (CESR) in Ophthalmology., Eye (Lond), 2021, doi: 10.1038/s41433-021-01582-2. 


Ocular transmission, detection & manifestation 

  • Ocular transmission and manifestation for coronavirus disease: a systematic review., Int Health, 2021, doi: 10.1093/inthealth/ihab028. 
  • Severe acute respiratory Syndrome-Coronavirus-2: Can it be detected in the retina?, PLOS ONE, vol. 16, no. 5, p. e0251682, May 2021, doi: 10.1371/journal.pone.0251682. 
  • The pathology of the brain and the eye in SARS-Co-V2 infected patients: A review, Journal of Neuro-Ophthalmology, vol. Publish Ahead of Print, May 2021, doi: 10.1097/WNO.0000000000001275. 
  • The Presence of SARS-CoV-2 in Conjunctival Secretions of COVID-19 PatientsOcular Immunology and Inflammation, vol. 0, no. 0, pp. 1–4, May 2021, doi: 10.1080/09273948.2020.1869270. 
  • The Transmission of SARS-CoV-2 Infection on the Ocular Surface and Prevention Strategies, Cells, vol. 10, no. 4, Art. no. 4, Apr. 2021, doi: 10.3390/cells10040796. 
  • COVID-19 Retinal Findings in Patients Admitted to Intensive Care Units and WardsOcular Immunology and Inflammation, vol. 0, no. 0, pp. 1–4, May 2021, doi: 10.1080/09273948.2021.1912362. 
  • World Health Organization High Priority Pathogens: Ophthalmic Disease Findings and Vision Health Perspectives, Pathogens, vol. 10, no. 4, Art. no. 4, Apr. 2021, doi: 10.3390/pathogens10040442. 


Case Reports 

  • Herpes Simplex Keratitis in Patients with SARS-CoV-2 Infection: A Series of Five CasesMedicina, vol. 57, no. 5, Art. no. 5, May 2021, doi: 10.3390/medicina57050412. 
  • Low Visual Acuity Due to Acute Macular Neuroretinopathy Associated with COVID-19: A Case ReportAm J Case Rep, vol. 22, Apr. 2021, doi: 10.12659/AJCR.931169. 
  • Optic Neuritis in a Child With COVID-19: A Rare AssociationCureus, vol. 13, no. 3, Mar. 2021, doi: 10.7759/cureus.14094. 


Eye Donation and Banking

  • Awareness Regarding Eye Donation and Effects of COVID-19 on Its Perception: A Community-Based Cross-Sectional Study From IndiaExp Clin Transplant, May 2021, doi: 10.6002/ect.2021.0036. 
  • Ocular Findings in Patients with COVID-19: Impact on Eye Banking [Letter]., Clin Ophthalmol, 2021, doi: 10.2147/OPTH.S317378. 
  • Role of Reverse Transcriptase Polymerase Chain Reaction in Cornea Donors During the COVID-19 PandemicCornea, vol. Publish Ahead of Print, May 2021, doi: 10.1097/ICO.0000000000002742. 


Other impacts of COVID-19 on vision and eye health 

  • Influence of COVID-19 Lockdowns on the Usage of a Vision Assistance App Among Global Users With Visual Impairment: Big Data Analytics StudyJournal of Medical Internet Research, vol. 23, no. 5, p. e26283, May 2021, doi: 10.2196/26283. 
  • Mouth-nose masks impair the visual field of healthy eyes, PLOS ONE, vol. 16, no. 5, p. e0251201, May 2021, doi: 10.1371/journal.pone.0251201. 


World Health Organisation updates 

  • COVID-19 vaccine introduction toolkit, The COVID-19 vaccine introduction toolbox equips all countries to prepare for and implement COVID-19 vaccination by providing guidance, tools, and training. This toolbox is intended to support Ministries of Health, health workers, partner organizations, and other stakeholders. 
  •  COVID-19 subcommittee of the WHO Global Advisory Committee on Vaccine Safety (GACVS), COVID-19 subcommittee of the WHO Global Advisory Committee on Vaccine Safety (GACVS) reviews cases of mild myocarditis reported with COVID-19 mRNA vaccines. 
  • COVID-19 subcommittee of the WHO Global Advisory Committee on Vaccine Safety (GACVS), Statement of the COVID-19 subcommittee of the WHO Global Advisory Committee on Vaccine Safety (GACVS) on safety signals related to the Johnson & Johnson/Janssen COVID-19 vaccine.

Photo Credits

Keith Kalu Joseph