What Is the Pupil Torch with Pupil Gauge?
The VM-PTPG (code PPT/PG) is a diagnostic penlight specifically designed for clinical pupillary assessment. Beyond standard illumination of the pupil, the integrated pupil gauge ? a series of graded circles printed on the body of the torch ? allows the clinician to estimate pupil diameter in millimetres rapidly and accurately, without requiring a separate gauge card. Pupil size and reactivity are among the most important neurological observations in trauma, ICU, and emergency assessment, making this instrument a standard tool for nurses, paramedics, emergency physicians, and neurologists.
Clinical Use of Pupil Assessment
The pupillary light reflex is assessed by shining the penlight directly into each eye and observing the speed and symmetry of constriction. Abnormal findings ? a fixed dilated pupil, an asymmetric response, or a sluggish reaction ? may indicate intracranial pathology such as tentorial herniation, third nerve palsy, or the effects of certain medications or toxins. The slide rule on the VM-PTPG allows additional bedside calculations relevant to neurological assessment.
Design and Battery
The cool-light, high-lux LED output produces consistent illumination without the heating effect of traditional incandescent penlights ? important when closely examining a patient’s eye. The chrome-plated aluminium casing is durable and easy to disinfect with standard surface wipes. The pocket clip and press-activator switch allow one-handed operation, keeping the other hand free for stabilising the patient’s eyelid. Powered by 2? standard AAA batteries.
Technical Specifications
| Specification | Detail |
|---|---|
| Specification | Value |
| Code | PPT/PG |
| Light Type | High-lux cool light (LED penlight) |
| Casing | Chrome-plated |
| Switch | Pocket clip press activator |
| Pupil Gauge | Integrated (mm scale) with slide rule |
| Power | 2? AAA batteries |
| Certifications | CE, ISO |
| Application | Neurological pupillary assessment, emergency, ICU |