The Keeler PSL Classic Handheld Slit Lamp is a highly regarded portable device known for combining robust British manufacturing with advanced optics and versatility. It is designed for ophthalmic professionals requiring a high-quality, mobile solution for eye examinations, particularly in domiciliary, emergency, or veterinary settings.
The Keeler PSL Classic Handheld Slit Lamp is used for the examination, assessment, and diagnosis of conditions affecting both the anterior and posterior segments of the eye, particularly in situations where a conventional, full-sized slit lamp is impractical. Its primary clinical applications center on its portability and the ability to conduct comprehensive eye exams on a diverse range of patients and in various clinical environments.
Primary Patient Groups and Clinical Environments
The portability of the Keeler PSL Classic makes it an essential tool for specific patient demographics and challenging clinical scenarios:
- Domiciliary Visits: It is perfect for home visits to elderly or infirm patients who are housebound or non-ambulatory and cannot easily travel to a clinic.
- Pediatric Care: The handheld design and adjustable brightness levels make it ideal for examining young children, who may find a large, fixed slit lamp intimidating or difficult to use.
- Disabled or Obese Patients: It is well-suited for patients who have difficulty positioning themselves correctly at a traditional slit lamp due to physical disabilities or a large body size.
- Emergency Medicine: In busy hospital emergency departments or off-site clinics, the device allows for quick and effective screening and assessment when clinical rooms are fully booked or in situations demanding immediate, portable diagnostic equipment.
Specific Diagnoses and Assessments
The Keeler PSL Classic facilitates the diagnosis and monitoring of numerous eye conditions through detailed examination of ocular structures:
- Anterior Segment Evaluation: It allows for a magnified view of the eyelid, sclera, conjunctiva, cornea, iris, and crystalline lens. Conditions such as dry eye syndrome, corneal abrasions/trauma, infections (like conjunctivitis or herpes keratitis), and corneal dystrophies can be diagnosed.
- Uveitis Assessment: A unique feature is its dedicated 1mm square light patch aperture, which is specifically designed for assessing anterior chamber flare, a key indicator of uveitis (inflammation inside the eye).
- Cataract Detection and Monitoring: Clinicians can diagnose and monitor the progression of cataracts (clouding of the lens) and assess changes in anterior chamber depth to monitor for potential angle closure.
- Contact Lens Fitting: It is used to evaluate the fit and positioning of contact lenses on the eye, ensuring they do not cause damage or discomfort to the cornea.
- Posterior Segment Examination: With the use of additional lenses (like a Volk lens), and often requiring pupil dilation, the slit lamp can also be used to view the retina and optic nerve to aid in the diagnosis of conditions such as glaucoma, age-related macular degeneration, or a detached retina.
- Foreign Body Identification: In trauma cases, the magnified view and varying slit widths help in locating and assessing foreign bodies in the eye.
Manufacturer: Keeler Ltd
Addresses:
- United Kingdom (Headquarters & Manufacturing)
- Clewer Hill Road, Windsor, Berkshire, SL4 4AA, United Kingdom.
- United States (Sales & Distribution)
- 3222 Phoenixville Pike, Building 50, Malvern, PA 19355, United States.
Product Prices
The Keeler PSL Classic Handheld Slit Lamp generally costs around $5,611.00 in the US and between £5,795 (ex VAT) and £6,903 (inc VAT) in the UK for a new unit.
Prices for the Keeler PSL Classic vary based on the vendor, new vs. refurbished condition, and included accessories (such as the iPhone adapter or specific cases).
| Merchant | Price (USD) | Notes |
|---|---|---|
| Keeler USA | $5,611.00 | Official US website listing. |
| Marco Lombart | $5,611.00 | Includes case. |
| Optics Incorporated | $5,611.00 | New unit price. |
| Visumed Equipment | $3,200.00 | Regular price listing. |
| eBay | $4,495.00 | Seller refurbished unit. |
| Merchant | Price (GBP) | Notes |
|---|---|---|
| BiB Ophthalmic Instruments | £5,795 (ex VAT) | Web price, list price £6,902. |
| HCE UK | £5,899.89 | Current price, original price £6,903.00. |
Free References
PSL Classic Instructions for Use
Slit Lamp-Based Ocular Scoring Systems in Toxicology and Drug Development: A Literature Survey
How the smartphone is driving the eye-health imaging revolution
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