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ENT, Ophthalmic & Sensory
Visionstar CP-37A

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Visionstar ENT, Ophthalmic & Sensory

Visionstar CP-37A

Product Code: EOAS-OAVT-2778

Five examinations. Two hundred and ninety millimetres of wall.

Multifunction without the width. The CP-37A stacks four auxiliary panels in a column beside its acuity rows — all inside a body just 290 mm across, where wider multi-test charts need half a metre.

Sections

Chart Projectors

Categories

ENT, Ophthalmic & Sensory

Condition

New

Origin

China

Seller Type

Certified Professional Seller

CE & ISO Certified

Global Shipping

Supplier: Medigear

The Visionstar CP-37A carries its own description on the printed face: multifunction vision chart. The manufacturer's illustration shows an acuity column of tumbling E optotypes running the height of the panel, with four discrete auxiliary panels stacked in a column beside it — a red-green square, a circular radiating target, a dotted circular plate and a dark panel carrying coloured points.

What makes the arrangement worth specifying is the width it achieves it in. Charts carrying several tests alongside acuity conventionally spread sideways, reaching 500 mm or more across the wall. This one stacks its auxiliary panels vertically rather than horizontally, keeping the whole assembly within 290 mm — roughly the width of a single acuity column on a plain chart. For a practice whose wall space runs vertically but not horizontally, that layout is the difference between fitting a multifunction chart and fitting a plain one.

That situation is commoner than it sounds. Wall runs get interrupted horizontally by door frames, window reveals, corner returns, cupboards and cable trunking far more often than they run out of height. A chart needing 500 mm of uninterrupted horizontal wall may have nowhere to go in a room that would happily accept a 290 mm column.

Medigear.uk will describe what the illustration shows without assigning each panel a clinical function, since the supplied literature does not itemise them. The manufacturer does separately specify a duochrome test chart, which is consistent with the red-green square visible in the column. Request a written schedule of every panel and its intended test before ordering — on a printed illuminated face the complement is permanent.

The shared specification block covers luminance of 80–350 cd/m², an AC 100–240V input at 50/60 Hz covering UK mains without adaptation, and a 12V DC output. Construction is an aluminium alloy plate with the LED array enclosed, and the manufacturer claims conformity to the international standard without naming it. Test distance is fixed at 5 metres. The unit measures 980 × 290 × 250 mm, and that depth figure is far greater than comparable charts and should be verified. Medigear.uk supplies the CP-37A with pre-despatch functional inspection, documentation review and panel schedule confirmed in writing.

Rooms with interrupted horizontal wall runs are the practical target, and they are commoner than the alternative. Vertical wall space is usually continuous; horizontal space is broken by door frames, window reveals, corner returns, cupboards, radiator pipework and surface trunking. A multi-test chart needing 500 mm of uninterrupted horizontal wall frequently has nowhere to sit in a room that would readily take a 290 mm column, and the practice ends up choosing between a plain acuity chart that fits and a multifunction one that does not. Stacking the auxiliary panels vertically removes that choice.

Screening positions running more than one check benefit accordingly. Occupational health rooms, school medical rooms and community clinics regularly need acuity plus additional targets, and consolidating them onto one illuminated face means every element is presented at the same distance under the same backlight — which keeps the results comparable and the sequence unbroken.

The published luminance figure of 80–350 cd/m² serves practices auditing their equipment against acuity testing standards, since chart luminance governs the measurement and most illuminated charts publish nothing at all. The same applies to the electrical specification, with universal 100–240V input covering UK mains directly.

Three things belong in the decision. The panel complement is not itemised in the supplied literature and is permanent once the printed face is delivered, so the schedule must be obtained in writing and matched against the tests the room actually performs. The luminance span is unexplained and may denote adjustability, tolerance or face variation. And the 250 mm depth figure is far greater than comparable charts and should be verified before a mounting position is planned — in a corridor that difference would matter.

Multifunction in a single-column width

Four auxiliary panels stacked beside the acuity rows, all within 290 mm — roughly the width of a plain acuity chart and considerably under half that of wide-format multi-test boards.

Fits walls that run out sideways

Horizontal wall space is interrupted far more often than vertical. A narrow column sits where a 500 mm face cannot, which frequently decides whether a room gets a multifunction chart or a plain one.

Every element at one distance under one light

Consolidating the tests onto a single backlit face presents them all identically, keeping results comparable and removing the patient movement that separate wall items require.

A published luminance figure

At 80–350 cd/m² the chart states its brightness in the unit that governs acuity measurement — most illuminated charts publish nothing, leaving a practice unable to check the instrument against the standard it works to.

UK mains without adaptation

AC 100–240V input at 50/60 Hz covers 230V nominal directly, with a 12V DC supply at the panel. Full electrical detail is unusual in this category.

Even illumination by construction

An aluminium alloy plate with the LED array enclosed is specified for even brightness. A face brighter at the centre presents optotypes at different effective luminance by position, which is a subtle and easily missed inconsistency.

Duochrome specified

A duochrome test chart is stated by the manufacturer, supporting spherical endpoint refinement from the same illuminated surface as the acuity rows.

Nothing to configure or misconfigure

No settings, no software, no distance to enter. In screening rooms used by non-specialist staff there is nothing one user can leave wrong for the next.

Multifunction printed face

The face carries an acuity optotype column alongside four discrete auxiliary panels, described by the manufacturer on the chart itself as a multifunction vision chart.

Vertically stacked auxiliary panels

The auxiliary panels are arranged in a vertical column beside the acuity rows rather than spread horizontally, keeping the assembly within a narrow width.

290 mm overall width

The complete unit measures 290 mm across, roughly the width of a plain single-column acuity chart despite carrying five distinct elements.

Tumbling E acuity column

The illustrated acuity column uses tumbling E optotypes, requiring only that the patient indicate a direction rather than name a character.

Duochrome test chart

A duochrome panel is specified by the manufacturer, consistent with the red-green square shown in the auxiliary column.

Published luminance of 80–350 cd/m²

The chart's brightness is stated in candela per square metre; whether the span denotes adjustability, tolerance or face variation should be confirmed at enquiry.

AC 100–240V universal input

The power input accepts 100–240V at 50/60 Hz, covering UK mains at 230V nominal without adaptation or a regional variant.

12V DC output

Mains is stepped down to a 12V DC supply driving the LED panel, a low-voltage arrangement standard in LED lighting.

Aluminium alloy plate construction

The chart body is aluminium alloy with the LED array housed inside, specified by the manufacturer for even brightness and durability.

International standard conformity claimed

The manufacturer states the chart is made according to the international standard; the specific standard is not named and should be confirmed as suitable for UK acuity notation.

Fixed 5 metre test distance

The chart is designed for a 5 metre working distance, achieved directly or by mirror; the distance is not adjustable.

980 × 290 × 250 mm

The unit measures 980 mm high and 290 mm wide; the 250 mm depth figure is markedly greater than comparable charts and should be verified at order.

The Visionstar CP-37A is a multifunction vision chart that achieves its multifunction in a single column's width. Four auxiliary panels stack vertically beside the acuity rows, keeping the whole assembly inside 290 mm where wide-format multi-test charts spread to 500 mm and beyond — and since horizontal wall space is interrupted by door frames, reveals, corner returns and trunking far more often than vertical space runs out, that layout frequently decides whether a room can take a multifunction chart at all. A published luminance figure of 80–350 cd/m², a universal AC 100–240V input covering UK mains directly, a 12V DC panel supply and an aluminium alloy body with enclosed LED array complete an unusually well-specified electrical picture for this category. It suits rooms with narrow or interrupted wall runs, occupational health and school medical screening positions, and practices auditing equipment against acuity testing standards. Three things need settling first: the panel complement is not itemised and is permanent once delivered, the luminance span is unexplained, and the 250 mm depth figure should be verified as a unit rather than packed dimension. Medigear.uk supplies the CP-37A into the UK with pre-despatch functional inspection, documentation review and panel schedule confirmed in writing. Contact the Medigear.uk team for current pricing, quantity quotations, panel schedules, or bespoke configuration enquiries.

FAQ

Frequently Asked Questions

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

The illustration shows an acuity column of tumbling E optotypes with four auxiliary panels stacked beside it: a red-green square, a circular radiating target, a dotted circular plate and a dark panel with coloured points. The literature does not itemise them or state what each tests, so we will not assign functions in print. Request a written schedule before ordering.

Because horizontal wall space runs out more often than vertical. Door frames, window reveals, corner returns, cupboards and trunking all interrupt a wall sideways, and a multi-test chart needing 500 mm of uninterrupted run may have nowhere to sit in a room that would readily accept a 290 mm column. Stacking the panels keeps the multifunction capability inside a narrow footprint.

At 290 mm the whole assembly is roughly the width of a plain single-column acuity chart — considerably under half the width of wide-format multi-test charts, which reach 500 mm and beyond. Nothing is given up in what the face carries; it is simply arranged differently.

The manufacturer specifies a duochrome test chart, consistent with the red-green square in the auxiliary column. Duochrome uses the eye's chromatic aberration to refine the spherical endpoint: the patient compares letters on red and green backgrounds and a balanced response indicates the focus is well placed.

No. This is a printed illuminated face, so whatever it carries on delivery it carries permanently. That is precisely why the schedule should be obtained in writing and matched against the tests your room actually performs before an order is placed.

The shared specification gives 80–350 cd/m², which is unusual and useful — most illuminated charts publish no luminance figure at all. The literature does not say whether that span denotes adjustability, manufacturing tolerance or variation across the face, and those are materially different things. Ask which.

AC 100–240V input at 50/60 Hz, covering UK mains at 230V nominal without adaptation or a regional variant, with a 12V DC output driving the panel. Confirm plug configuration and whether the supply is internal or external at order.

Because it is far greater than comparable illuminated charts, which sit between 25 and 90 mm. A 250 mm projection would matter considerably in a corridor or narrow room and may well be a packed rather than a unit dimension. Verify before planning a mounting position.

No. This model is fixed at 5 metres and the room must provide that directly or by mirror. There is no adjustment and no scaling.

The manufacturer claims conformity to an international standard rather than the unnamed national standards claimed elsewhere in this range, which is more relevant to a UK buyer. It does not say which standard. Ask, and confirm the optotype geometry and acuity notation suit British practice.

Weight, packing quantity and carton dimensions, the chart acuity range, LED service life and serviceability, approved cleaning agents, the mounting arrangement and an itemised panel schedule. The electrical and luminance detail is better than elsewhere in this range; the physical and clinical detail is not.

An illuminated acuity chart is a non-invasive ophthalmic device, most consistently classified as Class I under the UK Medical Devices Regulations 2002, or higher where configuration dictates. Manufacturer CE marking is noted where it appears in the product literature; Medigear.uk confirms CE marking, the declaration of conformity and current UKCA status against the shipping batch at quotation rather than asserting it in advance.

Wiping the face, and eventually whatever the LED module requires. No lamp on a schedule, no software and no batteries. Confirm periodically that the mounting is secure and the 5 metre distance is still what the room provides. Typical warranty is 12 to 24 months against manufacturing defect, confirmed at quotation.