Ct 1p
Manufactured by Topcon
Sourced in Japan
The CT-1P is a compact and portable computed tomography (CT) scanner designed for laboratory use. It provides high-resolution 3D imaging capabilities for a variety of materials and samples. The core function of the CT-1P is to capture detailed and accurate volumetric data of the scanned objects.
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Lab products found in correlation
Trc nw8, by Topcon (2 mentions)
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Ct 80, by Topcon (1 mentions)
Spectralis, by Heidelberg Engineering (1 mentions)
Fc 1000 lfcm, by Kowa (1 mentions)
Pentacam hr, by Oculus (1 mentions)
Spectralis sd oct, by Heidelberg Engineering (1 mentions)
Vx 10, by Kowa (1 mentions)
Iol master, by Zeiss (1 mentions)
Cirrus hd oct, by Zeiss (1 mentions)
Pentacam, by Oculus (1 mentions)
Kr 8900, by Topcon (1 mentions)
At900, by Haag-Streit (1 mentions)
8 protocols using ct 1p
1
Non-contact Tonometry Measurement Protocol
2
Non-Contact Tonometry for IOP Measurement
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3
Comprehensive Ocular Evaluation for PRP
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All patients underwent comprehensive ocular examinations, including best-corrected visual acuity (BCVA, Snellen chart), intraocular pressure, detailed slit-lamp biomicroscopy and dilated fundus examination after dilatation of the pupils, fundus photography, optical coherence tomography (OCT) imaging, and fluorescein angiography before receiving PRP. IOP was measured using a non-contact tonometer (CT-80 or CT-1P; Topcon Inc., Tokyo, Japan), and fundus photographs were taken using a 45° digital fundus camera (CR6-45NW; Canon Inc., Utsunomiya, Japan or TRC-NW8, Topcon Inc., Tokyo, Japan). OCT imaging was performed using the swept-source mode of a high-definition OCT system (DRI OCT Triton, Topcon, Tokyo, Japan). An ultra-wide-field scanning laser ophthalmoscope (Optos Optomap Panoramic 200MA; Optos PLC, Dunfermline, Scotland) allows wide-angle retinal imaging. Duration of follow-up of ocular findings is defined as the period from the initiation of PRP to the last follow-up. During follow-up periods, we checked occurrence of NVG, types and number of intravitreal injection, occurrence of vitreous hemorrhage, tractional retinal detachment, and implementation of pars plana vitrectomy. The presence of any type of glaucoma, POAG, normal-tension glaucoma NTG, NVG, and others was also investigated.
4
Visual Function and Ocular Parameters
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The best-corrected visual acuity was measured with a standard Japanese decimal visual acuity chart at 5 m. The intraocular pressure was measured with a noncontact automatic tonometer (CT-1P, Topcon). The CMT was measured with a spectral-domain OCT device (Spectralis, Heidelberg Engineering Inc), and the CMT was defined as the average thickness of the macula within the central 1 mm of the retina. The AFV was measured with a laser flare photometer (Kowa FC-1000 LFCM; Kowa Co, Ltd), and the value was expressed in photon counts/millisecond. These clinical examinations were performed before the surgery and 1 day, 1 week, 1 month, 2 months, and 3 months after the surgery.
5
Comprehensive Ophthalmological Examination Protocol
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All selected patients underwent an exhaustive ophthalmological examination before surgery, including CDVA, evaluation of the dominant eye, automatic refraction, cycloplegic refraction, slit-lamp biomicroscopy, non-contact intraocular tonometry (CT-1P; Topcon, Japan), dilated pupil fundus examination, optic disc stereography (VX-10; Kowa Optimed, Tokyo, Japan), central corneal thickness (CCT) measurement (Orbscan 73 II; Bausch&Lomb Surgical, Rochester, NY, USA), corneal topography (Pentacam HR; Oculus, Wetzlar, Germany), and optical coherence tomography (OCT, Spectralis SD-OCT; Heidelberg Engineering, Inc., Heidelberg, Germany). Each examination was performed by skilled ophthalmic technicians and carefully reviewed and integrated by professional ophthalmologists (Y.F.D. and S.Y.).
6
Longitudinal Visual Outcomes of Phakic IOL
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Postoperative examinations were conducted at a regular follow-up programme (baseline and at 1, 2, 4, 6 and 12 months and every 6 months thereafter to 4 years) between December 2011 and July 2015. The main outcomes parameters for this study were manifest and cycloplegic refractions, uncorrected distance visual acuity (UCDVA) and CDVA. We evaluated the following: anterior and posterior segments evaluation with dilated fundus examination, operative and postoperative complications, endothelial cell count measured on the central part of the cornea by specular microscopy (SP-8800, IOP with Goldman applanation tonometry and non-contact tonometer Topcon CT-1P. Vault height was measured subjectively (slit-lamp examination) and objectively with ultrasound biomicroscope (UBM).
7
Comprehensive Ophthalmic Evaluation and IOL Calculations
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A complete ophthalmology examination was performed on each patient preoperatively, including visual acuity, slit-lamp microscope, intraocular pressure (CT-1P, Topcon, Tokyo, Japan), phoropter (KR-8900, Topcon, Tokyo, Japan), A/B-scan ultrasonography (SW-2100, SUOER, Tianjin, China), specular microscope (SP-01, C.S.O.SRL, Italy), visual electrophysiology (Scan 21, Roland Consult Stasche & Finger GmbH, Brandenburg, Deutschland), and dilated funduscopic examination. Preoperative IOL calculations were performed on the basis of IOL Master (Carl Zeiss Meditec AG, Jena, Germany) and A-scan ultrasonography measurements. The corneal topography (Pentacam, Oculus, Wetzlar, Germany) and optical coherence tomography (OCT) (Cirrus HD-OCT, Carl Zeiss Meditec Inc., California, USA) examinations were performed before surgery as well as 3 months after surgery.
8
Comprehensive Glaucoma Screening Protocol
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The glaucoma-screening examination comprised IOP measurement by a noncontact tono-pachymeter (model CT-1P; Topcon Inc., Tokyo, Japan) along with GAT (model AT900; Haag-Streit, Köniz, Switzerland) and fundus photography by a nonmydriatic fundus camera (model TRC-NW8, Topcon Inc., Tokyo, Japan). The fundus photographs were evaluated by an experienced ophthalmologist (HJC) for suspicious findings such as glaucomatous optic nerve head (ONH) changes or retinal nerve fiber layer (RNFL) defects. Subjects with suspected glaucomatous optic neuropathy, suspected RNFL defects, or IOP > 21 mmHg were referred for definite glaucoma examination.
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