Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

61 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Disease severity and family history in keratoconus.
Szczotka-Flynn L, Slaughter M, McMahon T, Barr J, Edrington T, Fink B, Lass J, Belin M, Iyengar SK; CLEK Study Group. Szczotka-Flynn L, et al. Br J Ophthalmol. 2008 Aug;92(8):1108-11. doi: 10.1136/bjo.2007.130294. Br J Ophthalmol. 2008. PMID: 18653604
Longitudinal changes in corneal curvature in keratoconus.
McMahon TT, Edrington TB, Szczotka-Flynn L, Olafsson HE, Davis LJ, Schechtman KB; CLEK Study Group. McMahon TT, et al. Cornea. 2006 Apr;25(3):296-305. doi: 10.1097/01.ico.0000178728.57435.df. Cornea. 2006. PMID: 16633030
CLMI: the cone location and magnitude index.
Mahmoud AM, Roberts CJ, Lembach RG, Twa MD, Herderick EE, McMahon TT; CLEK Study Group. Mahmoud AM, et al. Among authors: mcmahon tt. Cornea. 2008 May;27(4):480-7. doi: 10.1097/ICO.0b013e31816485d3. Cornea. 2008. PMID: 18434854 Free PMC article.
Precision of three topography instruments in keratoconus subjects.
McMahon TT, Anderson RJ, Joslin CE, Rosas GA; Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study Topography Analysis Group. McMahon TT, et al. Optom Vis Sci. 2001 Aug;78(8):599-604. doi: 10.1097/00006324-200108000-00012. Optom Vis Sci. 2001. PMID: 11525551 Clinical Trial.
Comparison of flat and steep rigid contact lens fitting methods in keratoconus.
Zadnik K, Barr JT, Steger-May K, Edrington TB, McMahon TT, Gordon MO; Collaborative Longitudinal Evaluation of Keratoconus (CLEK) Study Group. Zadnik K, et al. Among authors: mcmahon tt. Optom Vis Sci. 2005 Dec;82(12):1014-21. doi: 10.1097/01.opx.0000192349.11525.de. Optom Vis Sci. 2005. PMID: 16357642
61 results