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Page 1
Strength of thin chemtempered lenses: static load testing.
Duckworth WH, Rosenfield AR, Gulati ST, Rieger RA, Hoekstra KE. Duckworth WH, et al. Among authors: hoekstra ke. Am J Optom Physiol Opt. 1979 Jan;56(1):39-47. doi: 10.1097/00006324-197901000-00007. Am J Optom Physiol Opt. 1979. PMID: 484703
Strength of thin chemtempered lenses: drop-ball testing.
Duckworth WH, Rosenfield AR, Gulati ST, Rieger RA, Hoekstra KE. Duckworth WH, et al. Among authors: hoekstra ke. Am J Optom Physiol Opt. 1978 Dec;55(12):801-6. doi: 10.1097/00006324-197812000-00003. Am J Optom Physiol Opt. 1978. PMID: 753106
Basic principles of lens fracture testing.
Duckworth WH, Rosenfield AR, Gulati ST, Rieger RA, Hoekstra KE. Duckworth WH, et al. Among authors: hoekstra ke. Am J Optom Physiol Opt. 1978 Nov;55(11):751-9. doi: 10.1097/00006324-197811000-00003. Am J Optom Physiol Opt. 1978. PMID: 752266