Visual Field Growth Norms Quiz

What is the main purpose of Orthoptists in assessing peripheral visual function?

To monitor the progression of visual field loss
To measure size and sensitivity of the visual field (correct)
To make decisions about the management of eye diseases
To determine resolution acuity

What is the main function of the visual field?

Assess visual pathway development
Gather information from the optic chiasm
Measure test reliability
Detect motion (correct)

What are the common principles of visual field assessment?

Occlusion of each eye, central steady fixation, and patient response when peripheral stimulus is detected (correct)
Measuring size (deg²), sensitivity (dB), and shape of the visual field
Binocular Esterman testing and automated perimetry
Confrontation, static threshold, and kinetic perimetry

Which of the following is NOT a learning outcome stated in the text?

Measure visual pathway development (B) Signup and view all the answers

Which modality of visual field assessment is commonly available?

Confrontation, static threshold, supra-threshold, and kinetic perimetry (D) Signup and view all the answers

What is the purpose of assessing visual fields?

Make decisions about test selection (A) Signup and view all the answers

What is the purpose of choosing a specific algorithm for static perimetry?

To diagnose or monitor the progression of a specific eye disease, such as glaucoma (A) Signup and view all the answers

What is the typical visual field coverage for static perimetry in the UK?

30/24 degrees (B) Signup and view all the answers

What decreases with increasing eccentricity in the visual field?

Sensitivity (C) Signup and view all the answers

What is the difference between threshold and supra-threshold static perimetry?

Threshold perimetry determines the minimum stimulus intensity required to elicit a response, while supra-threshold perimetry uses a stimulus intensity above the threshold (B) Signup and view all the answers

Which area represents where the visual system gathers information from?

Visual field (C) Signup and view all the answers

What is the purpose of binocular Esterman testing in visual field assessment?

To determine the patient's driving fitness (A) Signup and view all the answers

What is the role of fixation in the visual field?

Drawing attention (B) Signup and view all the answers

Why should one find their blind spot according to the text?

To assess visual field development (A) Signup and view all the answers

Which age group showed the highest mean (SD) isopter area (deg2) for the III4e test?

9-11 years (C) Signup and view all the answers

What does the red line in the 'NORMATIVE VF GROWTH VF growth – with children aged 13-15 years (red line) III4e' graph represent?

The normal VF growth pattern for the III4e test in children aged 13-15 years (C) Signup and view all the answers

Which of the following is the purpose of the 'NORMATIVE TEMPLATES' section?

To provide a link to access normative visual field templates (C) Signup and view all the answers

What is the purpose of the 'SUMMARY' section?

To provide an overview of the key concepts related to visual field assessment (D) Signup and view all the answers

What is the primary difference between the Lqmm models for Goldmann and Octopus isopter I2e in children aged 8-11 years?

The Goldmann model shows a steeper growth curve (D) Signup and view all the answers

Which of the following is NOT mentioned as a type of visual field assessment in the text?

Dynamic (B) Signup and view all the answers

Which of the following is the main purpose of visual field assessment, as described in the text?

All of the above (D) Signup and view all the answers

What is a key purpose of using static perimetry?

To monitor fixation loss (A) Signup and view all the answers

In static perimetry, why are non-grids mapped to 'structure'?

To evaluate peripheral vision (C) Signup and view all the answers

What is a strength of static perimetry as highlighted in the text?

Screening capabilities (D) Signup and view all the answers

What type of stimuli is used in kinetic perimetry as opposed to static perimetry?

Moving stimuli (A) Signup and view all the answers

Isopters are defined as contours connecting points with equal what?

Visual acuity (C) Signup and view all the answers

Refractive errors can negatively impact test accuracy in which type of perimetry, as indicated in Table 1?

Kinetic perimetry (C) Signup and view all the answers

Blind spots in the visual field can be assessed using how many points according to the text?

24 points (A) Signup and view all the answers

Which study investigated the feasibility, reliability, and repeatability of perimetry in children?

Study of Optimal Perimetric Testing in Children (OPTIC) (A) Signup and view all the answers

What did the Niederhauser and Mojon study find regarding the influence of high refractive errors on isopter position in kinetic perimetry?

High refractive errors influence the isopter position outside the central 30 degrees. (D) Signup and view all the answers

What was the main purpose of the OPTIC study?

To establish normative visual field values in children. (A) Signup and view all the answers

Which of the following did the OPTIC study not investigate?

Comparison of Goldmann and double-arc perimeters in children. (B) Signup and view all the answers

What did the Quinn et al. study examine?

Visual fields in 4- to 10-year-old children using Goldmann and double-arc perimeters. (C) Signup and view all the answers

Which of the following is not mentioned in the text as one of the aims of the OPTIC study?