Standard Snellen notation for acuity test used by optometrists, ophthalmologists, medical doctors and occupational health personnel for sights tests including aviation, marine, police and defence certification.
The indirect panel is identical to the above 6-metre chart except letters printed in reverse (indirect) for viewing via a mirror. This indirect version is only available in the 6-metre configuration.
Large glasses frames, suitable from approximately age 8 to adult with one occluded lens for vision testing. Set of two pairs, navy and brown colour. They measure 14.5cm across the inside of the frame.
Robust plastic glasses for uniocular vision testing. Comprises one pair with sunflower flip-up lenses to occlude each eye in turn. They measure 10.5cm across the inside of the frame.
Approx. age range 3-5 years.
Robust plastic glasses for uniocular vision testing. Set of two pairs, neon orange and green in colour. They measure 11.5cm across the inside of the frame.
Approx. age range 4-12 years.
Plastic PD ruler to check children’s PD. Measuring range 100mm
Includes transparent section with millimeter scale for fast and quick check. Highly flexible, rounded edges.
Backordered items typically take 3-4 weeks but this can vary. Backordered items are non-returnable.
Engaging sheets for children for the introduction of the Kay Picture optotypes prior to testing.
Childrens Churchward-Snellen 4 & 6 Metre Distance Test Wall Chart is designed for young children who cannot yet identify all the letters of the alphabet. The key card is placed in front of the patient and is asked to point or touch the figure on the key card that resembles the figure the examiner is pointing to.
Each chart comes with a key card.
This sight testing chart conforms to the Snellen notation for 6, 4 and 3 metres. It can be used directly or indirectly (i.e. using a mirror).
The illiterate “E” also known as the “tumbling E” for testing visual acuity of people who are illiterate, handicapped or where English is not their first language or for persons who cannot speak.
It can be used in conjunction with a card with an E marked on it that the patient holds and rotates to indicate the direction the fingers of the E are pointing.
Alternatively, the fingers of the hand can be used to indicate the direction the E fingers are pointing to.
Each line is numbered for easy referral.