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Retinal Physician

Article | 2026 ARVO

Study Compares Near-Real Surgical Specimens to Cadaver Eyes

David Almeida, MD, MBA, PhD, discusses a study he presented on Near-Real Surgical Specimens, and evaluates its utility as a standardized model for quantifying suprachoroidal injection dynamics and biodistribution compared to traditional cadaveric models.

By: DAVID R.P. ALMEIDA, MD, MBA, PHD
Retinal Physician May 6, 2026
5 Key Takeaways

  • 1

    The study evaluates Near-Real Surgical Specimens (NRSS) for assessing suprachoroidal injection dynamics compared to traditional cadaveric models.

  • 2

    NRSS are biologically compatible, fresh, frozen tissues from cadavers, designed to mimic real surgical procedures.

  • 3

    NRSS demonstrated a 3-fold increase in reproducibility and accuracy over standard cadaver models, with 6% variability.

  • 4

    The findings have significant implications for training researchers and new vitreoretinal surgeons in clinical trials.

  • 5

    The study suggests NRSS could expand applications beyond suprachoroidal injections, enhancing surgical training and practice.