
Visual assessment — eye charts, cabinets and vision-screening instruments
Good-Lite Company
Good-Lite has made standardised vision-testing products for more than ninety years: ETDRS and Sloan letter charts, LEA Symbols® and LEA Numbers® tests for children and non-readers, illuminated cabinets, colour-vision and contrast-sensitivity tests. Its charts are the reference used in clinical trials and ophthalmology clinics worldwide, and the instruments we rely on in our own tES visual-function studies.
What we carry from them
- ETDRS / Sloan distance and near acuity charts, illuminated cabinets
- LEA Symbols® and LEA Numbers® paediatric vision tests
- Contrast-sensitivity, colour-vision and low-vision assessment tools
- Occluders, trial frames and screening accessories

Rehabilitation — smart pelvic-floor training with biofeedback
kGoal (Minna Life)
kGoal is a connected pelvic-floor trainer: a soft sensor measures each contraction and the app guides the exercise with real-time biofeedback, turning a routine most patients abandon into a measurable programme. Used for incontinence, post-partum recovery and pelvic-floor rehabilitation.
What we carry from them
- kGoal Classic — pelvic-floor trainer with app biofeedback
- kGoal Boost — external trainer for men and women
- Guided programmes for incontinence and post-partum recovery