Lipimetry
Quantitative assessment of tear-film lipid layer thickness using white-light interferometry, with live imaging and objective grading.
OSDx is a compact, clinician-focused dry eye diagnostic platform that brings complementary ocular-surface imaging and measurement tools together in one instrument. It is designed to provide rapid, objective and reproducible information for routine clinical assessment as well as research.
Dry eye disease is multifactorial. OSDx combines structural, functional and tear-film assessments so that the clinician can evaluate several important contributors to ocular-surface dysfunction rather than relying on a single measurement.
Quantitative assessment of tear-film lipid layer thickness using white-light interferometry, with live imaging and objective grading.
High-resolution infrared imaging of the meibomian glands, including gland-loss assessment and morphology-related measurements.
Objective, non-contact assessment of the lower tear meniscus to provide information about tear volume.
Automated evaluation of blink behaviour, including blink frequency, completeness and timing-related statistics.
Imaging with fluorescein, lissamine and Rose Bengal, with quantitative analysis tools for tear break-up, staining and tear clearance.
High-resolution documentation of the lid margin, including features of blepharitis and meibomian gland openings.
Measurement of pupil diameter under different illumination conditions together with parameters describing the response to a light stimulus.
The OSDx platform also supports specialised imaging and analysis workflows intended to extend clinical documentation and research capability.
OSDx was conceived as a practical ophthalmic platform: compact enough for routine use, yet sufficiently configurable for detailed ocular-surface assessment.
Built around real examination workflows and clinically relevant measurements.
Uses established optical and imaging principles with quantitative digital analysis.
Brings several dry-eye assessments into a single examination environment.
Developed to simplify and miniaturise ophthalmic technology for wider practical use.
OSDx is developed by DoubleHelix Enterprises LLP, a medical-technology company founded by clinicians and focused on ophthalmic innovation. Its stated design philosophy is to innovate, simplify and miniaturise technology while grounding development in established science, imaging and robust engineering.