Sight Classification categories
From time to time we are asked who can play Blind Lawn Bowls. To answer that question we have provided the following information:
For those participating in local, New Zealand, events entries may be made under the following sight categories using the Snellen chart classifications:
B1: No light perception in either eye up to light perception but no recognition of hand movements at any distance or in any direction.
B2: From the ability to recognize hand movements up to a visual acuity of 2/60 (Snellen).
B3: From a visual acuity of better than 2/60 (Snellen) up to a visual acuity of 6/60.
B4: A visual acuity of better than 6/60 (Snellen) up to a visual acuity of worse than 6/24 (Snellen) and /or a significantly reduced visual field of 20 degrees or less. The player has the option of being guided by a sighted director.
For those participating in international events entries may be made under the following sight categories using the LogMAR chart classifications:
B1: No light perception in either eye up to light perception but no recognition of hand movements at any distance or any direction, up to LogMAR 2.7.
B2: From the ability to recognise hand movements (LogMAR 2.6) up to a visual acuity of LogMAR 1.5.
B3: From a visual acuity of LogMAR 1.4 up to LogMAR 1.0.
B4: From a visual acuity of LogMAR 0.9 up to LogMAR 0.6 and/or a visual field of less than 20 degrees.
The official International Blind Bowls Association Snellen Sight Classification form can be found on our Documents page. The official International Blind Bowls Association LogMAR Sight Classification forms can be obtained from the Secretary of the NZ Blind Lawn Bowling Association, whose contact details are on our Contacts page.
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