State-of-the-Art Instrumentation

Centre for Eye Health provides access to the latest diagnostic instrumentation for assessing the structural and functional integrity of the eye and visual pathways. As new technology develops, Centre for Eye Health will always aim to purchase the latest cutting edge instruments, in order to provide the best eye care possible.

Below is a list and brief description of the instrumentation currently available for use upon referral by registered eye-health practitioners.

CFEH Instrument list

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Canon Fundus Photography

Specific Instrument: CF-1 mydriatic fundus camera (Sutherland Hospital Clinic)

Measures/Output: En face colour fundus images

Sample clinical use: Stereoscopic viewing of the optic nerve head, imaging of retinal and choroidal pathology

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Kowa Fundus Photography

Specific Instrument: Kowa Wx3D non-mydriatic retinal camera

Measures/Output: En face colour fundus images

Sample clinical use: Stereoscopic viewing of the optic nerve head and imaging of retinal pathology

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Confoscan Corneal Assessment

Specific Instrument: Nidek Confoscan 4

Measures/Output: En face confocal microscopy of the cornea with up to 500x magnification

Sample clinical use: Epithelial/total corneal thickness, corneal substructure and morphology, endothelial cell count

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Diagnosys Electrophysiology Suite

Specific Instrument: Diagnosys

Measures/Output: Electrophysiological assessment of the retina (ERG) and visual pathways (VEP) using full-field and multifocal stimulation

Sample clinical use: Retinal dystrophies, visual pathway lesions

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Cirrus OCT

Specific Instrument: Cirrus Spectral Domain HD-OCT

Measures/Output: Peripapillary retinal nerve fibre layer, macula and ganglion cell thickness plus GPA analysis, angiography and anterior segment assessment

Sample clinical use: Glaucoma, diabetic retinopathy, age-related macular degeneration

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Haag-Streit Optical Biometry Using Partial Coherence Interferometry (Sutherland Hospital Clinic)

Specific Instrument: Lensstar

Measures/Output: Axial length, corneal thickness, anterior chamber depth, crystalline lens thickness, vitreous chamber depth, retinal thickness, IOL power

Sample clinical use: Assessment for cataract surgery, glaucoma, myopia progression

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Haag-Streit Video and Photography Slit Lamp Imaging

Specific Instrument: Haag-Streit BQ 900 video slit lamps and Haag-Streit BX photographic slit lamp

Measures/Output: Video and still digital imaging of the anterior segment

Sample clinical use: Imaging pathology of the anterior segment of the eye

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Heidelberg HRT3 Corneal Assessment

Specific Instrument: HRT III with Rostock Cornea Module

Measures/Output: En face confocal microscopy of the cornea

Sample clinical use: Epithelial/total corneal thickness, corneal substructure and morphology, endothelial cell count

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Heidelberg HRT3 Glaucoma Assessment

Specific Instrument: HRT III with glaucoma module

Measures/Output: Confocal microscopy of the optic nerve head, optic nerve head morphology, peripapillary retinal nerve fibre layer thickness

Sample clinical use: Glaucoma, optic neuropathies

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Heidelberg Optical Coherence Tomography

Specific Instrument: Spectralis OCT including OCT Angiography and anterior OCT

Measures/Output: Retinal/macula/optic nerve head cross-section and morphology, macular thickness, peripapillary retinal nerve fibre layer thickness, fundus auto-fluorescence

Sample clinical use: Age-related macular degeneration, diabetic retinopathy, glaucoma, retinal dystrophies

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Humphrey Visual Field Analysis

Specific Instrument: HFA Model 750

Measures/Output: Sensitivity of the visual field using white-on-white or blue/yellow stimuli plus GPA analysis

Sample clinical use: Glaucoma assessment, pathology of the anterior and posterior visual pathways

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Humphrey Matrix Perimetry

Specific Instrument: Matrix

Measures/Output: Sensitivity of the visual field using frequency-doubling stimuli

Sample clinical use: Glaucoma assessment, pathology of the anterior and posterior visual pathways

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iCare Tonometer

Specific Instrument: iCare rebound tonometer

Measures/Output: Intraocular pressure measurement without corneal anaesthesia

Sample clinical use: Glaucoma assessment

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ImagineEyes Wavefront Aberrometry

Specific Instrument: IRX3

Measures/Output: Total eye refractive aberrations expressed in Zernike coefficients, modulation transfer and point spread function, Strehl ratio

Sample clinical use: Assessment for, and post-operative management of, refractive/cataract surgery, keratoconus

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Medmont Corneal Topography

Specific Instrument: E300

Measures/Output: Corneal topography and curvature variations across the corneal surface

Sample clinical use: Keratoconus, corneal graft, pterygium

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Oculus Pentacam Scheimpflug Photography

Specific Instrument: Pentacam HR

Measures/Output: Anterior chamber cross section and volumetric assessment, total corneal pachymetry, corneal aberration analysis, crystalline lens densitometry

Sample clinical use: Keratoconus, corneal dystrophies, glaucoma assessment, cataract surgery assessment

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Optomap Wide-Field Fundus Photography

Specific Instrument: Optomap P20MA

Measures/Output: Wide-field fundus photography

Sample clinical use: Diabetic retinopathy, peripheral retinal disorders, choroidal nevi/melanoma

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Pachmate Ultrasonic Pachymetry

Specific Instrument: DGH pachmate

Measures/Output: Total corneal thickness

Sample clinical use: Glaucoma assessment, corneal disorders

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Tomey A-Scan and B-Scan Ultrasonography

Specific Instrument: UD-6000a

Measures/Output: A-Scan biometry and B-Scan eye cross-section/morphology

Sample clinical use: Assessment for cataract surgery, posterior eye tumours, optic disc drusen