Robert Lehmann is an Ophthalmology physician affiliated with Lehmann Eye Center. OpenAlex indexes 31 publications with 958 citations (h-index 16); ClinicalTrials.gov lists 1 registered study matched to this name.
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex, matched via ORCID.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Clinical & industry
trials, payments and federal fundingContact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
5300 North St
Nacogdoches, TX 759651370
Telephone
936-569-8278Registry record last updated 24 Sept 2012.
Clinical trials
- A Clinical Trial to Evaluate a Corneal Inlay for the Improvement of Near Vision in Presbyopic Patients
Sponsor: ReVision Optics, Inc.
Registered studies on ClinicalTrials.gov where the overall official or a site investigator name-matches this physician, confirmed against known institution/geography. Latest few shown; the full list is part of the full profile.
Industry payments
17 companies reported payments to CMS in program years 2021 onward. These are public disclosures, not judgments. The latest:
- Ocular Therapeutix, Inc.Program year20255 payments
- Tarsus Pharmaceuticals, Inc.Program year20252 payments
- Alcon Vision LLCProgram year20251 payment
Payment records matched to this physician's NPI in CMS Open Payments, program years 2021 onward.
Publications
Matched to this physician's OpenAlex author record; most-cited works shown first.
- Comparison of visual function and patient-reported outcomes between two full range of field intraocular lenses: a randomized controlled study
Journal of Cataract & Refractive Surgery
2025 - Clinical performance of a hybrid presbyopia-correcting intraocular lens in patients undergoing cataract surgery in a multicenter trial
Journal of Cataract & Refractive Surgery
2023 - Rotational Stability of the Clareon Monofocal Aspheric Hydrophobic Acrylic Intraocular Lens 6 Months After Implantation
DOAJ (DOAJ: Directory of Open Access Journals)
2022
Similar KOLs
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No other directory profiles share this institution yet.
Emily Chew, MD
National Eye Institute
Robert Weinreb, MD
University of California San Diego
Harry Quigley, MD
Johns Hopkins University School of Medicine
Joel Schuman, MD
Wills Eye Hospital
A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments, shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”