John Nesemann, MSc, MD
Resident Physician
Ophthalmology
School of Medicine

Publications (28)

Top publication keywords:
PhotographyBlepharitisTrachomaConjunctivitisConjunctivaVision, LowTelemedicinePeruSmartphoneBlindnessBacterial LoadAntibodies, BacterialCataract ExtractionCataractChlamydia trachomatis

• Factors Associated with Active Trachoma in Alto Amazonas, Peru.
  Ophthalmic epidemiology 2026 Nesemann JM, Morocho-Alburqueque N, Quincho-Lopez A, Wittberg DM, Honorio-Morales HA, Durand S, Saboyá-Díaz MI, Bakhtiari A, Jimenez C, Harding-Esch EM, Talero SL, Muñoz M, Solomon AW, Klausner JD, …
• Discrepancy Between Active Trachoma and Tests of Chlamydial Infection in Alto Amazonas, Peru.
  Clinical infectious diseases : an official publication of the Infectious Diseases Society of America 2026 Nesemann JM, Morocho-Alburqueque N, Quincho-Lopez A, Wittberg DM, Honorio-Morales HA, Durand S, Idalí Saboyá-Díaz M, Vargas SK, Admassu F, Bakthiari A, Jimenez C, Harding-Esch EM, Talero SL, Muñoz M, …
• Comparing the Generalizability of Multiregional versus Locally Trained Deep Learning Models for Trachoma Detection.
  Ophthalmology science 2026 Yazbeck H, Assaf JF, Wheary L, Upaphong P, Elsharawi R, Jackson J, Wittberg DM, Nash SD, Admassu F, Tadesse Z, Aragie S, Arzika AM, Lescano AG, Munayco ER, Nesemann JM, Talero SL, Lietman TM, Keenan …
• Worsening of diabetic retinopathy with initiation of an automated insulin delivery system.
  American journal of ophthalmology case reports 2026 Nesemann JM, Dove D, Brodie FL, Masharani U
• Demographics and costs of pediatric blepharitis and conjunctivitis seen in California emergency departments over a 10-year period.
  Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus 2026 Morse JR, Xu A, Nesemann JM, Keenan JD, Oatts JT

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• Corneal Clouding in a 74-Year-Old Man.
  JAMA ophthalmology 2025 Nesemann JM, Nagy MA, Schallhorn JM
• Temporal and Seasonal Trends in Pediatric Eye Trauma in California.
  Clinical ophthalmology (Auckland, N.Z.) 2025 Bishay MN, Xu A, Nesemann JM, Keenan JD, Oatts JT
• Characterizing trachoma elimination using serology.
  Nature communications 2025 Kamau E, Ante-Testard PA, Gwyn S, Blumberg S, Abdalla Z, Aiemjoy K, Amza A, Aragie S, Arzika AM, Awoussi MS, Bailey RL, Butcher R, Callahan EK, Chaima D, Dawed AA, Díaz MIS, Domingo AS, Drakeley C, …
• Epstein-Barr Virus Associated with Unilateral Thygeson's Superficial Punctate Keratitis.
  Ophthalmology 2025 Nesemann JM, Doan T, Seitzman GD
• Epidemiology of Corneal Ulcers Diagnosed in the Emergency Department in California.
  Cornea 2025 Xu A, Nesemann JM, Keenan JD
• Pediatric Eye-Related Emergency Department Visits and Pediatric Eye Provider Location and Density.
  Ophthalmology science 2025 Oatts JT, Xu A, Morse JR, Nesemann JM, Cavuoto KM, Keenan JD
• Spontaneous Rupture of Anterior Lenticonus in a Patient With Alport Syndrome.
  American journal of ophthalmology 2024 Nesemann JM, Sachs M, de Alba Campomanes AG
• Correlation of Clinical Severity of Trachomatous Inflammation and Chlamydia trachomatis Bacterial Load.
  The American journal of tropical medicine and hygiene 2024 Lu L, Fauci A, Richardson QR, Mahmud H, Nesemann JM, Aragie S, Hailu D, Dagnew A, Chernet A, Tadesse Z, Zeru T, Thompson IJB, Wittberg DM, Nash SD, Lietman TM, Keenan JD
• Characterizing trachoma elimination using serology.
  medRxiv : the preprint server for health sciences 2024 Kamau E, Ante-Testard PA, Gwyn S, Blumberg S, Abdalla Z, Aiemjoy K, Amza A, Aragie S, Arzika AM, Awoussi MS, Bailey RL, Butcher R, Callahan EK, Chaima D, Dawed AA, Saboyá Díaz MI, Domingo AS, Drakeley…
• Hypoglobus, Exophthalmos, and Interpupillary Distance: Measuring Globe Dystopia in Thyroid Eye Disease.
  The Journal of craniofacial surgery 2024 Saffari PS, Nesemann J, Katsev B, Palileo BMU, Yeganeh A, Mustak H, Wang Y, Rootman DB
• Head rotation and the perception of eyelid height and contour.
  BMJ open ophthalmology 2024 Diniz SB, Meer E, Nesemann JM, Jackson NJ, Rootman DB
• Travel time to cataract surgical services in Kenya, Malawi and Rwanda: demonstrating a standardised indicator of physical access to cataract surgery.
  Eye (London, England) 2023 McCormick I, Nesemann JM, Zhao J, Mdala S, Kitema GF, Mwangi N, Gichangi M, Tang K, Burton MJ, Ramke J
• Prevalence of and factors associated with childhood anaemia in remote villages of the Peruvian Amazon: a cross-sectional study and geospatial analysis.
  Transactions of the Royal Society of Tropical Medicine and Hygiene 2023 Morocho-Alburqueque N, Quincho-Lopez A, Nesemann JM, Cañari-Casaño JL, Elorreaga OA, Muñoz M, Talero S, Harding-Esch EM, Saboyá-Díaz MI, Honorio-Morales HA, Durand S, Carey-Angeles CA, Klausner JD, …
• Relationship Between Cooking Fuel and Lens Opacities in South India: A 15-Year Prospective Cohort Study.
  American journal of ophthalmology 2022 Nesemann JM, Srinivasan M, Ravindran RD, Edwards T, O'Brien KS, Kim UR, Wilkins JH, Whitcher JP, Lietman TM, Gritz DC, Keenan JD
• Telemedicine for screening eye disease in the remote Peruvian Amazon: proof-of-concept.
  Transactions of the Royal Society of Tropical Medicine and Hygiene 2022 Nesemann JM, Muñoz M, Talero SL, Honorio-Morales HA, Lescano AG, Keenan JD
• Association of vision impairment and blindness with socioeconomic status in adults 50 years and older from Alto Amazonas, Peru.
  Eye (London, England) 2022 Nesemann JM, Morocho-Alburqueque N, Quincho-Lopez A, Muñoz M, Liliana-Talero S, Harding-Esch EM, Saboyá-Díaz MI, Honorio-Morales HA, Durand S, Carey-Angeles CA, Klausner JD, Lescano AG, Keenan JD
• Perineural Spread of Melanoma Into the Orbit With Inflammatory Response and Nonsurgical Treatment.
  JAMA otolaryngology-- head & neck surgery 2021 Karlin JN, Nesemann JM, Rodriguez ED, Vasconcelos Oliveira LG, Rootman DB
• Cryptococcal infection of the colon in a patient without concurrent human immunodeficiency infection: a case report and literature review.
  European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology 2021 Quincho-Lopez A, Kojima N, Nesemann JM, Verona-Rubio R, Carayhua-Perez D
• Association of visual impairment with disability: a population-based study.
  Eye (London, England) 2021 Nesemann JM, Kandel RP, Byanju R, Poudyal B, Bhandari G, Bhandari S, O'Brien KS, Stevens VM, Melo JS, Keenan JD
• Lessons from the Field: Integrated survey methodologies for neglected tropical diseases.
  Transactions of the Royal Society of Tropical Medicine and Hygiene 2021 Harding-Esch EM, Brady MA, Angeles CAC, Fleming FM, Martin DL, McPherson S, Hurtado HM, Nesemann JM, Nwobi BC, Scholte RGC, Taleo F, Talero SL, Solomon AW, Saboyá-Díaz MI
• Comparison of Smartphone Photography, Single-Lens Reflex Photography, and Field-Grading for Trachoma.
  The American journal of tropical medicine and hygiene 2020 Nesemann JM, Seider MI, Snyder BM, Maamari RN, Fletcher DA, Haile BA, Tadesse Z, Varnado NE, Cotter SY, Callahan EK, Emerson PM, Margolis TP, Lietman TM, Keenan JD
• Knowledge and Practices in the Diagnosis and Treatment of Corneal Infections by Nepalese Pharmaceutical Shop Workers.
  The American journal of tropical medicine and hygiene 2020 Bhandari S, Nesemann JM, Kandel RP, Poudyal B, Bhandari G, Byanju R, Shrestha R, Ramirez DA, O'Brien KS, M Lietman T, Keenan JD
• Extensive Prostatic Abscess in an Elderly Patient Requiring Multidisciplinary Drainage.
  Case reports in urology 2020 Nesemann JM, Huen K, Bergman J