Clinical trials: Corneal Thickness Measurement
Intraocular Pressure, Corneal Pachymetry
Comparative Study of Non-contact Tonometers for Intraocular Pressure and Corneal Cell Thickness Measurements
The primary objective of this clinical study is to collect clinical data to support FDA 510(k) submissions for the Topcon CT-800, CT-1, CT-1P and TRK-2P non-contact tonometers.
- Trial name
- NCT02138279
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Topcon Medical Systems, Inc.
Corneal and Endothelial Cell Measurements
Comparative Study of the TOMEY Specular Microscope EM-4000 and the Konan CellChek XL
The Tomey EM-4000 Specular Microscope is designed to observe and analyze corneal endothelium.
- Trial name
- NCT02977793
- Testing
- Tomey EM-4000 Specular Microscope, Konan CellChek XL Specular Microscope
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Tomey Corporation
Corneal Endothelial Cell Loss
Comparative Study of Specular Microscopes for Endothelial and Corneal Cell Measurements
The primary objective of this clinical study is to collect clinical data to support an FDA 510(k) submission for the Topcon Specular Microscope SP-1P.
- Trial name
- NCT02138266
- Testing
- Topcon Specular Microscope SP-1P, Konan Specular Microscope CELLCHEK XL
- Where
- United States
- Volunteers
- 65 people
- Sponsor
- Topcon Medical Systems, Inc.
Glaucoma Eye
Assessment of the Occuity PM1 Pachymeter
To determine whether the Occuity PM1 device is non-inferior in measuring central corneal thickness when compared to ultrasound pachymetry, the Lenstar and the Pentacam.
- Trial name
- NCT05895617
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Occuity Limited
Corneal and Endothelial Cell Measurements
Comparative Study of Specular Microscope for Cell Density, Coefficient of Variation, Hexagonality and Corneal Thickness
The primary objective of this clinical study is to collect clinical data to support an FDA 510(k) submission for the Nidek Specular Microscope CEM-530.
- Trial name
- NCT01729975
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Nidek Co. LTD.
Glaucoma, Retinal Disease
Nidek RS3000 Comparative Study
The primary objective of this clinical study is to compare the Nidek RS-3000 Optical Coherence Tomography (OCT) device to the Optovue RTVue OCT.
- Conditions
- Glaucoma, Retinal Disease, Corneal Disease
- Trial name
- NCT01384487
- Where
- United States
- Volunteers
- 89 people, healthy volunteers welcome
- Sponsor
- Nidek Co. LTD.
Normal Non-fluency, Cataract
Comparative Study of the Optical Biometer for Measurements of the Eye
The primary purpose of this comparative clinical study is to collect clinical data to demonstrate the equivalence of the investigational device to the predicate device for measurements of the eye.
- Conditions
- Normal Non-fluency, Cataract, Aphakic Eye, Eyes With Corneal Abnormality
- Trial name
- NCT01729962
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Nidek Co. LTD.
Glaucoma, Retinal Disease
OCT Agreement and Crossed Precision Study
The purpose of this study is to asses the agreement of the RS-3000 Lite and RS-3000 Advance to the RS-3000, assess the crossed precision of each study device and to assess the transference of a reference database from the RS-3000…
- Conditions
- Glaucoma, Retinal Disease, Corneal Disease
- Trial name
- NCT02050880
- Where
- United States
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Nidek Co. LTD.
Corneal Endothelial Cell Loss
Second Comparative Study of Specular Microscopes for Endothelial and Corneal Cell Measurements
The primary objective of this clinical study is to collect additional clinical data to support an FDA 510(k) submission for the Topcon Specular Microscope SP-1P.
- Trial name
- NCT02427256
- Testing
- Topcon Specular Microscope SP-1P, Konan Specular Microscope CELLCHEK XL
- Where
- United States
- Volunteers
- 76 people
- Sponsor
- Topcon Medical Systems, Inc.