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Nidek US-500P

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Nidek US-500P
Nidek Medical Diagnostic Equipment

Nidek US-500P

See What Slit Lamp Cannot.

The Nidek US-500P is a high-frequency ultrasound biomicroscope from Nidek, designed for high-resolution anterior segment imaging in hospitals, ophthalmology departments, and specialist glaucoma clinics. Delivering cross-sectional imaging of the anterior chamber, iridocorneal angle, ciliary body, and posterior iris at 50MHz resolution, it supports glaucoma assessment, anterior segment pathology evaluation, and surgical planning. Available through Medigear.uk.

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The Nidek US-500P is a high-frequency ultrasound biomicroscope from Nidek, designed to deliver detailed cross-sectional imaging of the anterior segment structures at a resolution beyond that achievable with conventional ocular B-scan ultrasonography. Operating at 50MHz, the US-500P provides real-time imaging of the anterior chamber, iridocorneal angle, trabecular meshwork, ciliary body, posterior iris, zonules, and anterior vitreous — structures that cannot be visualised by slit lamp biomicroscopy, optical coherence tomography, or standard ophthalmic B-scan in patients with opaque or occluded anterior segment media.

The iridocorneal angle is a primary target of US-500P imaging in glaucoma clinical practice. High-frequency ultrasound imaging of the angle allows direct measurement of angle width, identification of plateau iris configuration, appositional angle closure, peripheral anterior synechiae, and ciliary body rotation — providing structural angle information that supports confident differentiation of open-angle from angle-closure mechanisms and informs targeted surgical management. The US-500P delivers the quantitative angle anatomy data that supplements gonioscopy in complex glaucoma assessment.

Beyond angle imaging, the US-500P supports assessment of ciliary body cysts and lesions, anterior segment tumour extent, post-surgical bleb anatomy, phakic IOL clearance measurement, scleral contact lens fitting, and anterior uveal pathology evaluation. Real-time imaging with freeze and image capture supports clinical documentation and comparative assessment across serial examinations.

The US-500P holds CE marking in compliance with applicable medical device directives. Medigear.uk supplies the US-500P with full technical documentation, procurement support, and comprehensive after-sales service coordination.

50MHz High-Frequency Ultrasound Imaging

The US-500P uses 50MHz high-frequency ultrasound to produce real-time cross-sectional imaging of the anterior segment with resolution not achievable by conventional ophthalmic ultrasonography. This frequency provides the detail required for accurate iridocorneal angle assessment, ciliary body imaging, and anterior uveal pathology characterisation.

Iridocorneal Angle Assessment

Real-time cross-sectional imaging of the iridocorneal angle enables direct measurement of angle width, identification of angle closure mechanisms, detection of plateau iris and peripheral anterior synechiae, and assessment of ciliary body rotation in complex glaucoma evaluation and surgical planning.

Ciliary Body and Posterior Iris Imaging

The US-500P visualises structures not accessible by slit lamp or OCT, including the ciliary body, posterior iris, zonules, and pars plana. This imaging supports assessment of ciliary body cysts, anterior segment tumours, phakic IOL clearance, and post-surgical anatomy evaluation.

Real-Time Imaging with Freeze and Image Capture

Real-time dynamic imaging with freeze-frame and image capture capability supports detailed review of anterior segment findings, serial comparison, and structured clinical documentation for patient records, specialist referral, and clinical audit.

Quantitative Angle Measurement

The US-500P supports quantitative measurement of anterior chamber angle parameters, providing numerical data on angle width and dimensions that support serial comparison and evidence-based glaucoma management decisions.

CE Certified for Ophthalmology Clinical Use

The US-500P carries CE marking in compliance with applicable medical device directives, satisfying procurement compliance for hospitals, specialist glaucoma units, and regulated ophthalmology settings. Full documentation is available from Medigear.uk.

Glaucoma Angle Assessment and Surgical Planning

Accurate iridocorneal angle assessment is fundamental to the clinical differentiation of open-angle from angle-closure glaucoma mechanisms, surgical planning for laser iridotomy and trabeculectomy, and evaluation of post-surgical angle anatomy. The US-500P provides direct cross-sectional imaging of the angle at 50MHz resolution, visualising angle width, plateau iris configuration, appositional and synechial closure, and ciliary body rotation that cannot be reliably assessed by gonioscopy alone in complex presentations. Quantitative angle data supports evidence-based clinical and surgical decision-making in specialist glaucoma units.

Anterior Segment Tumour and Cyst Assessment

Ciliary body cysts, iris cysts, uveal tumours, and anterior segment lesions require precise structural assessment to characterise extent, depth, and anatomical relationships with adjacent structures. The US-500P provides the cross-sectional imaging required to assess ciliary body and anterior uveal pathology in detail, supporting differentiation of benign cysts from tumour lesions and planning of clinical management and surgical approaches.

Phakic IOL and Surgical Clearance Assessment

Phakic intraocular lens implantation requires precise anterior segment measurement to ensure adequate vaulting and clearance between the lens and the crystalline lens and endothelium. The US-500P provides direct measurement of relevant anterior segment dimensions and implant positioning, supporting pre-operative planning and post-operative assessment of phakic IOL clearance in refractive surgical programmes.

Post-Surgical Anterior Segment Assessment

Assessment of trabeculectomy bleb anatomy, tube drainage implant position, and post-surgical anterior segment structural changes benefits from UBM imaging to characterise subsurface surgical anatomy invisible to slit lamp biomicroscopy. The US-500P supports serial post-surgical assessment across glaucoma filtration and anterior segment surgical programmes.

For Hospitals and Ophthalmology Departments

The US-500P provides hospital ophthalmology departments and specialist glaucoma units with high-frequency anterior segment ultrasound imaging that extends diagnostic capability beyond slit lamp biomicroscopy and OCT. CE certification and full compliance documentation satisfy hospital procurement and government tender requirements. Medigear.uk provides institutional buyers with full procurement documentation and after-sales service coordination.

For Specialist Glaucoma Units, Corneal Clinics, and Anterior Segment Surgical Services

The US-500P delivers the anterior segment structural detail required for complex glaucoma angle assessment, anterior uveal pathology evaluation, and phakic IOL planning in specialist ophthalmology units. Its 50MHz high-frequency imaging directly addresses the clinical limitation of OCT and slit lamp in patients with media opacity or complex anterior segment anatomy requiring subsurface structural assessment.

For Medical Equipment Distributors

The US-500P addresses consistent procurement demand from specialist glaucoma units, anterior segment surgical services, and hospital ophthalmology departments for reliable, CE-certified high-frequency anterior segment ultrasound biomicroscopy. Medigear.uk supports authorised distributors with full documentation, technical training resources, and service infrastructure. Nidek's strong reputation in ophthalmic diagnostics positions the US-500P as a dependable distribution product with strong demand across specialist and hospital ophthalmology markets.

The Nidek US-500P ultrasound biomicroscope delivers 50MHz high-resolution cross-sectional anterior segment imaging in a precision instrument designed for the complete structural assessment demands of specialist glaucoma units, anterior segment surgical services, hospital ophthalmology departments, and corneal clinics. Glaucoma specialists benefit from direct angle anatomy imaging that extends diagnostic capability beyond gonioscopy and OCT for complex angle-closure assessment and surgical planning. Anterior segment surgeons value the US-500P's detailed structural visualisation of ciliary body, tumour, phakic IOL, and post-surgical anatomy. Distributors recognise it as a dependable Nidek instrument with consistent demand across specialist glaucoma and anterior segment ophthalmology markets. Contact Medigear.uk for product specifications, procurement assistance, or expert consultation.

FAQ

Frequently Asked Questions

Everything buyers need to know about sourcing medical equipment through MediGear.

The Nidek US-500P is a high-frequency ultrasound biomicroscope used for high-resolution cross-sectional imaging of the anterior segment in ophthalmology clinical practice. It is used for iridocorneal angle assessment in glaucoma, anterior segment tumour and cyst evaluation, phakic IOL clearance measurement, and post-surgical anterior segment assessment. The US-500P images structures not accessible by slit lamp or OCT, including the ciliary body, posterior iris, and zonules.

Ultrasound biomicroscopy uses high-frequency ultrasound — typically 50MHz — to produce detailed cross-sectional images of the anterior segment at a resolution significantly higher than standard 10MHz B-scan ultrasonography. While standard B-scan provides posterior segment imaging, UBM provides fine structural detail of the anterior chamber, angle, iris, and ciliary body with a resolution comparable to histological sections, enabling assessment of anterior segment anatomy and pathology not accessible by other imaging modalities.

UBM provides direct real-time cross-sectional imaging of the iridocorneal angle, ciliary body, and iris that allows accurate differentiation of open-angle from angle-closure mechanisms, identification of plateau iris configuration, and assessment of ciliary body rotation and cyst formation contributing to angle closure. This structural detail supports clinical decision-making in complex glaucoma presentations where gonioscopy alone may be insufficient.

Yes. Ultrasound imaging passes through opaque media including dense cataracts, corneal opacity, and hyphaema, enabling anterior segment structural assessment in patients where slit lamp biomicroscopy and OCT are limited by media opacity. This makes the US-500P particularly valuable in pre-operative cataract assessment and in the evaluation of patients with combined anterior segment pathology.

Yes. The US-500P provides the anterior segment dimensional measurements and direct visualisation of lens-IOL-endothelium spatial relationships required for phakic IOL pre-operative clearance assessment and post-operative positioning evaluation in refractive surgical programmes.

The US-500P carries CE marking in accordance with applicable medical device directives, confirming compliance for clinical use in regulated ophthalmology environments. Full documentation is available from Medigear.uk.

The US-500P is available through Medigear.uk for hospital procurement, government tender supply, and specialist clinic purchasing. Full product documentation, CE certification records, and pricing are available on request. Contact Medigear.uk to discuss specifications, availability, and supply terms.