The temporal evolution of structural and functional measures after acute optic neuritis
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Bibliographic record
Abstract
BACKGROUND: In this prospective case series, we aimed to characterise the temporal evolution of functional and structural measures in the afferent visual pathway of patients with acute optic neuritis (ON). METHODS: Fifty patients with ON were followed over 12 months. Testing with spectral-domain optical coherence tomography, Early Treatment Diabetic Retinopathy Study logarithm of the minimum angle of resolution (LogMAR) visual acuity and Humphrey perimetry central 30-2 threshold (SITA strategy) was performed at baseline, 3, 6 and 12 months after symptom onset. The main outcome measure was mean peripapillary retinal nerve fibre layer (RNFL) thickness in ON eyes. Secondary outcomes included mean ganglion cell layer (GCL) thickness, LogMAR visual acuity, and Humphrey perimetry measured visual field mean deviation (VFMD). Survival analyses were performed to Kaplan-Meier curves and variables in the models were tested using the log-rank test. RESULTS: Over 12 months, RNFL and GCL values progressively declined in ON eyes, and intereye differences were significantly different across all time points. When functional recovery was defined as a VFMD better than -5.00 dB in ON eyes, the mean recovery time for the entire cohort was 3 months (survival was 48%, SE=0.09, 95% CI 0.30 to 0.64). There were significant differences in cumulative recovery when comparisons were made between genders: 3 months after symptom onset there was a higher percentage cumulative recovery for female (75%) versus male (25%) patients. CONCLUSIONS: Structural and functional measures evolve over time in patients with ON. There may be sex-specific differences in recovery after an acute ON event.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it