allowance

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Related to retinoscope: retinoscopy

Allowance

1. See: Allowance method.

2. See: Capital allowance.

3. See: Allowance for depreciation.

4. See: Allowance for doubtful accounts.

5. See: Withholding allowance.

6. See: Mileage allowance.

allowance

An accounting term used to describe entries on a profit and loss statement for expenses that might become necessary in the future. Examples include an allowance for bad debt, in which a certain percentage of income is deducted because of the likelihood it will be uncollectible.

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However, early detection of keratoconus is the most vital reason for practitioners to re-arm themselves with their trusty retinoscopes.
MY RETINOSCOPE: Optometrist Dr Peter Frampton writes in praise of the "humble" retinoscope
Alongside scissoring of retinoscopy reflex and 'oil-drop' effect when the red reflex of the fundus is viewed either with an ophthalmoscope or retinoscope, careful attention must be paid to the pattern of refractive changes in children.
Keratoconus in children--clinical features
At the time in the UK I was working in a well-equipped practice near London, and my retinoscope and ophthalmoscope were merely 'display items' in the corner of my consulting room.
Progressing through volunteering: optometrist, Manveer Singh Seyan, discusses how volunteering in Ethiopia with Vision Aid Overseas has enhanced his career
Attending the OSCE, the pre-reg is required to bring their retinoscope and ophthalmoscope, even though they may not use them.
The OSCE is in sight: pre-reg optometrist Neema Ghorbani shares advice on preparing for the OSCE
Therefore, it is imperative that the pre-reg is confident in using their retinoscope to obtain a refraction base, before moving on to subjective retraction to fine-tune and obtain the final spectacle prescription.
At one with Stage two: Ahmed Ejaz shares his first-hand experience of the Stage two pre-registration assessment
(4) In this case, the stimulus is the dimmed light source of the retinoscope in a darkened room.
Retinoscopy in infancy: cycloplegic versus non-cycloplegic
Begin with the retinoscope alongside the target, with the child telling you about the picture (or with the parent pointing to the picture to hold attention).
Assessing visual function I: young children's vision Part 3 C-18550 O/D

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