dulcie’s days. achromatopsia what does it mean for dulcie? »colour blindness – i can see red...

Dulcie’s Days

Achromatopsia What does it mean for Dulcie?

» Colour blindness – I can see red most of the time.

» Low vision.» Extremely light sensitive

(photophobic).» Visual fatigue.» Cannot see balls coming unless

very bright red or orange.

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In the human eye there are rods and cones that have different jobs

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Rods

» See in black, white and shades of grey.» Tell us the shape that something has.» They detect movement first.» They are super-sensitive, allowing us to

see when it’s very dark.

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Cones

» Work best in bright daylight.» They allow people to see colours and fine detail.» Cones are divided into three different types – red, green

and blue to help you see different ranges of colour.» Together these cones sense combinations of light waves

that enable our eyes to see millions of colours.

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People who have achromatopsia do not have normal cone vision

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How a person with achromatopsia sees a bundle of crayons.

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Lack of colour vision

What I see and what you see

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Too much light makes everything blurry.

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Photophobia

So what helps?

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My hat helps protect my eyes

Filter out and cut down light going into my eyes.

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Glasses with red lenses

Makes reading less tiring for my eyes.

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Large print

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The dome magnifier enlarges print

Helps me to see people and objects in the distance.

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The monocular

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I use the camera to see the whiteboard

I can also use it to see lots of different things like maths.

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…and Learning intentions (LI’s).

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Using my computer

I am learning to touch type using Typefaster and Typing Tournament.

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Learning Intentions (LI)

What else could help

» Dark blue & black markers on boards.» Use my name when you want me to find you.» No gesturing.» When I am going somewhere new I need

someone to show me around first.» It is helpful for someone to be with me

if there is traffic on the road.» Describe things by their position, pattern and size.

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In the future

» I will start wearing red contact lenses.People will be able to see my eyes!

» At high school I will have large printtext books and audio books.

» I can type my exams using my computer.

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