Evidence map›Paper›PMID 40774730›Full record

ReviewLife sciences in space research2025

Parabolic flight as a research platform to investigate ophthalmic changes in microgravity.

Tuan Nguyen, Joshua Ong, Sarah Aman, Alex Weaver, Ana Garcia, Amy Song, Fatma Shakarchi, Ethan Waisberg, Andrew G Lee

Abstract readReview
In one paragraph

Review in Life sciences in space research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Tuan NguyenWeill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, New York, New York, United States. Electronic address: tun2001@med.cornell.edu.
Joshua OngDepartment of Ophthalmology and Visual Sciences, University of Michigan Kellogg Eye Center, Ann Arbor, Michigan, United States.
Sarah AmanWilmer Eye Institute, Johns Hopkins Medicine, Baltimore, Maryland, United States.
Alex WeaverUniversity of Florida Health Jacksonville, Department of Ophthalmology, Jacksonville, FL, United States.
Ana GarciaWeill Cornell Medical College, New York, New York, United States.
Amy SongUniversity of Illinois at Chicago College of Medicine, Chicago, Illinois, United States.
Fatma ShakarchiRed Cross Red Crescent Movement, Geneva, Switzerland; Space Generation Advisory Council, Vienna, Austria.
Ethan WaisbergUniversity of Cambridge, Cambridge, United Kingdom.
Andrew G LeeCenter for Space Medicine, Baylor College of Medicine, Houston, Texas, United States; Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, Texas, United States; The Houston Methodist Research Institute, Houston Methodist Hospital, Houston, Texas, United States; Departments of Ophthalmology, Neurology, and Neurosurgery, Weill Cornell Medicine, New York, New York, United States; Department of Ophthalmology, University of Texas Medical Branch, Galveston, Texas, United States; University of Texas MD Anderson Cancer Center, Houston, Texas, United States; Texas A & M College of Medicine, Bryan, Texas, United States; Department of Ophthalmology, The University of Iowa Hospitals and Clinics, Iowa City, Iowa, United States.

Funding

Weill Cornell/Rockefeller/Sloan Kettering MST ProgramT32GM152349 · NIGMS · WEILL MEDICAL COLL OF CORNELL UNIV · PI KATHARINE C HSU · 2024 to 2026
$6.6M
NIGMS NIH HHS T32 GM152349
6 · The paper itself

Abstract

Parabolic flight serves as an important terrestrial analog to study acute physiological changes in microgravity without the need for space travel. During a parabolic flight, alternating hypergravity and microgravity phases, lasting up to 40 seconds, enable research into ophthalmic changes. In this review, we discuss the application of parabolic flight as a platform to study microgravity-related changes that might impact ophthalmology including intraocular pressure, intracranial pressure, choroidal blood flow, and modified eye movement patterns. We further highlight how these insights could aid our understanding of vestibulo-ocular reflexes and conditions such as Spaceflight Associated Neuro-ocular Syndrome (SANS). While the brief duration of microgravity exposure limits some applications, parabolic flight continues to provide a controlled environment for examining acute gravitational effects on eye health and evaluating many space medicine interventions.

Indexed as

EyeSpace FlightWeightlessnessEye MovementsHumansHypergravityIntracranial PressureIntraocular PressureReflex, Vestibulo-OcularWeightlessness Simulation

Identifiers

PMID40774730
PMCPMC12332269

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.