The SLM-KD5 dry eye analyzer series are specially designed for dry eye examination by combining infrared imaging, interference light measurement and multistep magnification technology. The comprehensive examination of dry eye includes the analysis of tear meniscus height, tear film break time, lipid layer, meibomian glands and gland opening, and bulbar redness scan. The exam report is intuitional and easy to understand, which enhance the precision of the diagnosis of MGD and dry eye complications.
Tear meniscus height (TMH)
Tear film imaging system utilize the infrared light, which is non-invasive and non-stimulative. This system enlarges the aperture and reduces the light loss that increase the resolusion of image.
Multistep optical magnification system support more detailed observation of tear meniscus morphology. If the tear menisucs is discontinous or uneven, conjuctivochalasis or palpebral margin abnormal can be simultaneously examined.
Non-invasive break up time (NIBUT)
Dry eye disease (DED) is characterized by tear film instability. SLM-KD5 quatitatively evaluates the state of tear film stability by identifying the ring image changes on the tear film. Tear film imaging unit utilize the infrared light, combining with the video record, to easily determine the tear film break up time.
Compare with fluorescein staining, this non-invasive lightening test provides more comfortable experience to patients. The automatic timing system is accurate and efficient, and the operation process is simplified.
Lipid layer analysis
SLM-KD5 analyzes the thickness, quality and quantity of lipid layer by comparing with graded contrast models. The combination of meibomian gland and eyelid margin analysis helps to diagnose MGD more accurate.
Specially designed tear film imaging system increases the image resolution and color rendition by enlarging the aperture and reducing the light loss. The lipid layer morphology and coating process can be dynamically oberserved by HD videos.
With infrared imaging system and HD digital camera, the area of meibomian gland deletion can be intuitively presented. The severity of Meibomian gland loss can be objectively evaluated by comparing with the contrast models of meibomian gland deletion level.
The meibomian gland distrubution can be observed under lower magnification, and the details of gland acini can be observed under higher magnification.
Meibomian gland opening
Eyelid margin change is one of the typical characters of MGD, including eyelid margin morphologic change and meibomian gland opening change.
SLM-KD5 has multistep optical magnification, and the details of eyelid margin and gland opening change can be observed with higher magnification. The images provide the intuitive diagnostic basis for eyelid margin abnormality or MGD.
Bulbar redness scan (R-scan)
Common bulbar redness includes conjunctival congestion, ciliary congestion and mixed congestion, which probably caused by dry eye disease or conjunctive. In dry eye examination, bulbar redness is preferentially considered to be aqueous deficient dry eye (ADDE).
SLM-KD5 captures images in high defination, automatically grades the conjunctival congestion and ciliary congestion, and evaluates the serverity of bulbar redness.
Dry eye complications examination
Without changing the device, dry eye complications can be repidly checked, including cornea damage, corneal nebula, conjunctivochalasis, which improves the checking efficiency and patients’ satification.
Binocular eyepiece is designed for better observation with stereoscopic view, and the bulit-in contrast-enhanced filter contributes to more clear lesion detail.
Anterior segment examination
All of anterior segment examinations can be done on the same device. Anterior segment examinations include but not limited to:
Ocular surface disease, measurement of cornea diameter and pupil diameter, corneal lesion, lens lesion, 1/3 forepart of vitreous leision, corneal contact lens matching.
Examinations of fundus and posterior segment of vitreous can be done with other additional accessories.
Tear film imaging unit
This unit is specially designed for dry eye examination, and is exquisite and precise with no loss of nasal side ring image. Large aperture ensures high definition and color rendition of images. It can be connected to optical system with hidden cables which is more controllable and stable.
Built-in yellow barrier filter provides additional contrast to fluorescence images, so that the small lesions can be clearly observed.
Dry eye analyzer in clinic
(Dr. Matthew Michniewicz, OD and Dr. Richard Maharaj, OD, FAAO)
Lectures on dry eye disease and dry eye analyzer system
(Speaker: Dr. Richard Maharaj, OD, FAAO)
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