Paediatric dispensing Flashcards
(27 cards)
What are some advantages of silicone based rubber?
Soft/pliable
Unbreakable
Can use strap
No hinges/metal parts
Lightweight
Highly durable
What are some advantages of TR90 transparent nylon?
Robust
Lightweight
Comfortable
V adjustable
What are some advantages of high and low density rubber?
High: keeps shape
Low: comfy
Unbreakable
Lower crest height
Splayed bridge
Round lens shape (can’t look around)
What are some advantages of grilamid?
Flexible
Lightweight
Comfortable
Good for occlusion therapy
How does a frame need to fit a child?
Lenses centred horizontally and vertically
Good anatomical fit
Nose fit well but not inhibit natural formation
Comfy
Stable
Rigid and strong
Good cosmesis
Boxed centre distance should be the same as px’s PD
What facial measurements are different for a child, compared to an adult?
Angle of front
Smaller head width
Shorter total length of side and LTB
Smaller PD
Narrower bridge
Lower crest height
Larger nosepad splay
Smaller boxed lens size
Different lens shape
Why is using a rounder lens shape important for younger kids?
They are ‘forced’ to look through the lens, as there is less space around the edge of the frame for them to look around.
What ways are there to keep a frame on a child?
Sports band
Loop end sides with ribbon/band
Curl sides
Drop end
For a curl side, what measurements are needed and where should the end be?
Length to tangent and total length of side
End just short of lobe
What should be considered for durability on a kids frame?
Sprung or 180 hinges
What should be avoided for durability reasons on a kids frame?
Supra
Rimless
What modification is helpful with nystagmus and why?
Wider lens - helps to encompass null point
What modification is helpful with Down’s syndrome and why?
Lower bridge height - lower crest height
What characteristics do lenses need to have for children?
Durable
Scratch resistant
Thin and light
UV protected to 380nm
Impact resistant
What are the ‘non-conventional’ ways to measure PD on a child?
Outer to inner canthus
Outer to inner limbus
Corneal reflexes
When would you measure PD monocularly on a child?
If rx over +/-3D
If strab present (occlude one eye at a time to measure)
When would you measure heights for a child?
If rx over +/-3D
When would you measure BVD for a child?
If rx over +/-3D
How can you make it easier to measure PDs on a child?
Use pentorch or fun target to keep their attention
Do it on a toy first
Let them do it on someone else
Ask parent to keep their attention
Ask parent to hold their head
Do measurements in child friendly environment (e.g. play area)
Which children might you dispense a bifocal for?
DS
Convergence excess
Juvenile stress myopia
What segment should you always use for kid’s bifocals?
D28
Where should you measure heights to for a kid’s bifocal?
Between pupil centre and lower lid margin
Which children might you dispense a PPL for?
Congenital cataracts have been removed
How can you communicate better with kids?
Use short sentences and words that are familiar to them
Stay at their eye level
Have fun
Use stickers
