Description
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Product description
- The LED Silver Penlight is a bright, color-consistent handheld torch built for fast ocular and neuro checks in clinic or screening camps. Its slim aluminum body, pocket clip, and positive push-button switch make it easy to handle one-handed while you assess pupil reactions (direct/consensual), perform Hirschberg/cover tests, cue fixation/EOMs, or add clean illumination for anterior-segment viewing. The smooth surface wipes down quickly between patients, and the replaceable batteries keep it reliable through a full day of exams.
- Clinical uses: PERRL (direct/consensual), swinging flashlight test, Hirschberg, fixation/EOM cues, general illumination
- Beam quality: Bright, even LED output for consistent reflexes without excess heat
- Ergonomics: Slim aluminum body, pocket clip, tactile push-button for one-hand operation
- Hygiene: Smooth, wipe-clean exterior; easy to disinfect between patients
- Reliability: Replaceable batteries for uninterrupted use; durable housing for daily carry
- Workflow tips: Dim ambient lights for pupil testing; approach from the side to avoid accommodation; document response latency and symmetry
- Care: Wipe with alcohol-based disinfectant (as approved by your clinic), avoid soaking; remove batteries for long-term storage
| Topic | Details |
| Catagory | Vision Therapy |
| Purpose / Target Users | The Silver Pen Light is designed for pupil reflex testing, ocular motility assessments, near point of convergence (NPC) evaluations, and as a fixation or tracking stimulus during vision therapy. Target users include optometrists, ophthalmologists, vision therapists, school screening teams, and clinical practitioners who require a reliable, portable light source |
| Item Weight | 50 gms |
| Dimensions | 20.5 x 9.5 cms (8×3.5 inch) Weight: Lightweight (≈ 20–30 g), making it easy to hold steadily during procedures. Pen-shaped for comfortable grip and easy storage in a pocket or toolkit. |
| Optotypes / Symbols | Not applicable in the traditional sense (no letters or symbols), but the light beam itself acts as a fixation target. The clear, focused LED light allows accurate observation of pupil responses and tracking movements during eye examinations and therapy. |
| Scaling / Spacing | The Silver Pen Light is designed for pupil reflex testing, ocular motility assessments, near point of convergence (NPC) evaluations, and as a fixation or tracking stimulus during vision therapy. Target users include optometrists, ophthalmologists, vision therapists, school screening teams, and clinical practitioners who require a reliable, portable light source |
| Range of Acuity / Line Sizes | Not applicable for acuity measurement. Instead, the pen light is used to stimulate accommodation, convergence, or as a bright fixation target in a range of distances —typically from 5 cm to 40 cm for near vision exercises. |
| Testing Distance | Near Testing: Commonly used at 40 cm (standard near point) for accommodation and tracking tasks. NPC Testing: Light is moved from 40 cm towards the nose to determine the near point of convergence. Pupil Testing: Light is held at 15–30 cm distance to check direct and consensual reflexes. |
| Unique Selling Proposition (USP) | Provides immediate feedback; versatile for lens verification and therapy. Low distortion glass optics make the training more accurate (the patient is not compensating for lens defects) — improving therapy effectiveness. Clear labeling makes it easy to track progress and use correct power. Ability to buy individual flippers or as a complete set allows flexibility. Sets with adjustable PD (pupillary-distance) or color coding aid faster workflow. |
| Mounting / Display Feature | Pocket Clip: Integrated clip for attaching to a coat pocket or clipboard. No mounting required; it is a handheld device, designed for flexible, mobile use in different clinical settings |
| Included Accessories / Extras | Typically includes batteries (AAA or AA) depending on model. Some models may come with a spare bulb or LED. Optional soft case or protective sleeve for storage. |
| Durability / Material Qualitie | Body Material: High-grade aluminum or stainless steel for strength and resistance to corrosion. Finish: Polished silver finish provides a professional look and resists tarnish. LED Light: Long-lasting and energy-efficient; does not overheat with prolonged use. Resistant to daily wear, cleaning agents, and frequent handling in clinics. |
| Usability / Marker of Quality | Easy one-hand operation using a push-button or clip switch. Lightweight and ergonomically designed for precise light control. Reliable, bright non-glare LED ensures accurate clinical observations. A quality pen light is marked by consistent light intensity, durable body, and reliable switch mechanism. Widely used in professional vision therapy and optometry settings for its simplicity, portability, and accuracy. |
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