# Prospective Evaluation of Radial Keratotomy (PERK) Study

> **NCT00000129** · PHASE3 · COMPLETED · sponsor: **National Eye Institute (NEI)**

## Conditions studied

- Myopia

## Interventions

- **PROCEDURE:** Radial Keratotomy

## Key facts

- **NCT ID:** NCT00000129
- **Lead sponsor:** National Eye Institute (NEI)
- **Sponsor class:** NIH
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 1981-04
- **Primary completion:** —
- **Final completion:** 1983-10
- **Target enrollment:** — (—)
- **Last updated:** 2009-09-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00000129

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00000129, "Prospective Evaluation of Radial Keratotomy (PERK) Study". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT00000129. Licensed CC0.

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