Sale on Manual & Electric Hospital Beds - Starting from 25 September!

Home
Shop
ENT, Ophthalmic & Sensory
Visionstar RS-6R42

✓ Certified Professional Seller

Visionstar ENT, Ophthalmic & Sensory

Visionstar RS-6R42

Product Code: EOAS-OAVT-3621

Neutralise the reflex without putting a trial frame on a wriggling child.

Hold each power in front of the eye with nothing resting on the face: twenty-one spheres in each sign from 0.25 to 16.00 D, mounted in handheld bars that change power with one movement of the hand.

Sections

Retinoscopes

Categories

ENT, Ophthalmic & Sensory

Condition

New

Origin

China

Seller Type

Certified Professional Seller

CE & ISO Certified

Global Shipping

Supplier: Medigear

For retinoscopy, Visionstar offers the RS-6R42: a rack set of concave and convex spheres mounted in handheld bars. Powers run from 0.25 to 2.00 D in 0.25 D steps, from 2.50 to 4.00 D in 0.50 D steps and from 5.00 to 10.00 D in 1.00 D steps, then 12.00, 14.00 and 16.00 D, in both signs. That is twenty-one powers per sign. The datasheet describes the set as mainly used for retinoscopy, watching the fundus reflex move through each aperture. It does not state the number of bars, lenses per bar, lens diameter, materials or which colour carries which sign.

The set serves patients who cannot or will not wear a trial frame. Infants, young children, people with learning disabilities and anyone who resists something placed on the face can still be refracted, because the practitioner holds the bar a short distance in front of the eye and slides it from one power to the next. Neutralising each principal meridian in turn gives the sphere and cylinder. In young children the result is most reliable under cycloplegia, which remains the reference standard.

The photograph shows one red and one black bar, each with a row of apertures and a handle, beside a grey case. The model code suggests six bars and 42 lenses, which matches twenty-one powers in each sign, but the datasheet does not confirm it.

Medigear.uk lists the RS-6R42 and can arrange delivery worldwide. Request the packing list, sign colour coding, lens diameter, bar dimensions and declaration of conformity from the seller before order.

Paediatric eye clinics are the natural home for a retinoscopy rack. Infants and young children rarely tolerate a trial frame, but most will accept a bar held briefly in front of the eye while they look at a target or a toy. With cycloplegia, the practitioner can neutralise each meridian quickly and move on before the child's attention fades.

Special-needs and learning disability services use racks for the same reason. Adults and children who are distressed by anything touching the face can still be refracted objectively, and the result guides a first prescription where subjective responses are unreliable.

Hospital eye services use racks in orthoptic and ophthalmology clinics for children with strabismus or amblyopia risk factors, where an accurate cycloplegic refraction underpins treatment. Published work shows near retinoscopy without drops can agree closely with cycloplegic results in some strabismic children, which is useful at follow-up visits.

Domiciliary and outreach services seeing patients in care homes or at bedsides can refract without a trial frame when a patient cannot sit upright or keep a frame in place.

Teaching clinics use racks to train students in retinoscopy technique, including working-distance allowances, the effect of lens tilt and the habit of recording the distance at which high powers were held.

The set is less suited to paediatric aphakia, where powers beyond 16.00 D are needed, and to cooperative adults, who are usually refracted in a trial frame. Institutional buyers commonly ask for evidence of conformity. The conformity documentation those procurement routes require is issued by the manufacturer and provided by the seller.

Nothing on the Patient's Face

The bars are held in front of the eye, so refraction can proceed with patients who will not tolerate a trial frame.

Fast Power Changes

Sliding the bar moves the next power into place in one movement, which suits the short attention span of a young child.

Spheres in Both Signs to 16.00 D

Twenty-one powers in each sign cover the hyperopia common in young children and most myopia.

Fine Steps Where They Matter

Quarter steps to 2.00 D allow careful neutralisation around low powers, the range where many paediatric results fall.

Works With or Without Cycloplegia

The rack suits cycloplegic retinoscopy, the reference standard in young children, and near retinoscopy at follow-up.

Portable for Outreach

Bars and case travel easily for domiciliary and screening work, according to the photograph.

A Teaching Tool

Students can practise neutralisation, working-distance allowances and correct lens positioning with the same bars used in clinic.

No Electrical Upkeep

The set has no electrical parts, needs no mains supply and never enters a portable appliance testing schedule.

Convex Spheres

0.25 to 2.00 D in 0.25 D steps; 2.50 to 4.00 D in 0.50 D steps; 5.00 to 10.00 D in 1.00 D steps; 12.00, 14.00 and 16.00 D.

Concave Spheres

The same twenty-one values in minus power.

Lens Count

Not stated. The model code suggests 42.

Bar Count

Not stated. The model code suggests six.

Bar Colours

The photograph shows red and black bars. Sign coding is not stated.

Power Marking

Not described on the datasheet.

Aperture Diameter

Not published.

Materials

Lens and bar materials are not published.

Handles

Each bar in the photograph has a handle at one end.

Case

The photograph shows a grey case marked as outer packing.

Intended Use

Retinoscopy, watching the reflex movement through each aperture, per the datasheet.

Power Source

None. The set has no electrical parts.

The RS-6R42 is a retinoscopy rack set of twenty-one spheres in each sign from 0.25 to 16.00 D, mounted in handheld bars for patients who cannot wear a trial frame. It suits paediatric, special-needs and outreach refraction, used with cycloplegia wherever that is the right standard, and it keeps the examination moving when a child's patience is short. The datasheet leaves bar count, sign colours, aperture and materials unstated. Medigear.uk lists the RS-6R42 for business buyers worldwide and can arrange delivery, familiarisation and service cover. Request the packing list, sign colour coding, aperture diameter, bar dimensions and the declaration of conformity from the seller at quotation.

FAQ

Frequently Asked Questions

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

The datasheet lists concave and convex spheres of 0.25, 0.50, 0.75, 1.00, 1.25, 1.50, 1.75 and 2.00 D, then 2.50, 3.00, 3.50 and 4.00 D, then 5.00 to 10.00 D in whole steps, then 12.00, 14.00 and 16.00 D. That makes twenty-one powers in each sign. The model code suggests 42 lenses across six bars, but the datasheet does not state the lens count or the number of bars. Ask the seller for a written packing list.

The datasheet does not say. The photograph shows a red bar and a black bar, and colour conventions for retinoscopy racks are not universal. Confirm the convention and how each power is marked before first use, because picking up the wrong sign mid-examination reverses the direction of neutralisation.

The practitioner watches the reflex through the retinoscope and moves the bar in front of the eye until the reflex neutralises in one principal meridian, then repeats for the other meridian. The difference between the two gives the cylinder, and the axis is read from the streak orientation. A working-distance allowance is then subtracted, which is 1.50 D at 67 cm and 2.00 D at 50 cm. The bars carry spheres only, so the cylinder is derived from the two meridians.

In young children, usually yes. Cycloplegic refraction is regarded as the reference standard because children can accommodate strongly, which can hide hyperopia. One published study notes that when plus lenses are held over the retinoscoped eye without cycloplegia, hyperopia may be missed. Another study of 43 strabismic children aged 3 to 10 found near retinoscopy without drops agreed closely with cycloplegic autorefraction, with median sphere values of +4.38 D and +4.50 D. Practitioners choose the method for the patient in front of them, and the rack works with either.

Hold the bar perpendicular to the line of sight and close to where a spectacle lens would sit. Tilting a spherical lens adds unwanted cylinder and changes its effective power, and at high powers the distance from the eye also affects the result. Record the approximate distance used for powers above about 4.00 D, so the result can be transferred accurately to a prescription.

The bars stop at 16.00 D in each sign. Children who are aphakic after congenital cataract surgery, and some patients with very high myopia, need stronger lenses. Those cases need additional loose lenses held with the rack or a separate high-power set.

Not published. The photograph shows round apertures in solid bars, but neither the clear diameter nor the lens and bar materials are stated. Ask the seller for both, since small apertures make the reflex harder to judge in a restless child.

The photograph shows a grey case marked as outer packing, beside a red and a black bar. Whether all bars are shown, and whether a separate carrying case is supplied, is not stated. Confirm the contents with the seller.

BS EN ISO 9801:2009 covers trial case lenses, and the datasheet does not claim conformity to it for these racks. Under UK MDR 2002 the set is typically Class I, or higher, use-dependent, confirmed against the declaration of conformity at order. The declaration is issued by the manufacturer and provided by the seller. Conformity requirements differ by destination market, and the seller confirms what applies where the unit is going.

Optometrists and ophthalmologists use retinoscopy racks, especially in paediatric and special-needs clinics. In the UK, refraction for a prescription within a sight test is restricted under the Opticians Act 1989 to registered optometrists and registered medical practitioners. Paediatric eye teams also include orthoptists, who assess vision and binocular function alongside the refracting clinician. Other countries set their own rules.

The set has no electrical parts, so it sits outside electrical safety and portable appliance testing, and in a UK workplace PUWER 1998 applies as it does to any work equipment. Bars are held close to children's faces and handled often, so clean them between patients and check lenses for scratches or loosening. Disinfectant compatibility and replacement pricing are not published, so ask at quotation.

A clinic that routinely refracts cooperative adults will usually work with a trial frame or phoropter. A paediatric cataract service will need powers beyond 16.00 D. A buyer who needs documented sign colours, lens diameter or bar count should get them in writing before order.