- Negative relative accommodation (NRA) was proposed by Joseph Kearney of Oxford University in 1967 as a measure of the maximum ability to relax accommodation while maintaining clear, single binocula...了解详细信息：Negative relative accommodation (NRA) was proposed by Joseph Kearney of Oxford University in 1967 as a measure of the maximum ability to relax accommodation while maintaining clear, single binocula...en.wikipedia.org/wiki/Negative_relative_accommod…Negative relative accommodation is an assessment of the highest capacity to reduce accommodation while keeping a sharp, distinct binocular vision.eyepatient.net/Home/articledetail/negative-relative …
Negative relative accommodation - Wikipedia
Negative relative accommodation (NRA) was proposed by Joseph Kearney of Oxford University in 1967 as a measure of the maximum ability to relax accommodation while maintaining clear, single binocular vision. It is an indirect measurement of fusional vergence in binocular vision.
This measurement is typically obtained by an orthoptist, ophthalmologist or optometrist during an eye examination using a phoropter. After the patient's distance correction is established, the patient i…Wikipedia · CC-BY-SA 许可下的文字- 预计阅读时间：50 秒
NRA/PRA – Negative Relative Accommodation
2024年8月26日 · In PRA, accommodation is stimulated with minus lens that’s why it’s called Positive Relative Accommodation. In NRA, accommodation is relaxed with plus lens that’s why it’s called Negative Relative Accommodation.
Accommodative Insufficiency: Prevalence, Impact and Treatment …
Relative accommodation and accommodation facility are utilized to understand the agility or flexibility of the accommodation system. The expected normal values for negative relative …
视功能检查分析之——调节、聚散、AC/A分析 - 健康界
2022年7月15日 · NRA（negative Relative Accommodation），负相对性调节，双眼屈光全矫正后在1000px处看视标加正镜到模糊，它反映的是双眼视时调节能放松的能力。
Accommodative Excess - StatPearls - NCBI Bookshelf
2025年2月5日 · The amount of accommodation required to increase or relax in order to focus an object binocularly at a specific distance, with fixed convergence, is known as relative …
- 已发布: 2023/08/25
The distribution of negative and positive relative accommodation …
The two tests of positive relative accommodation (PRA) and negative relative accommodation (NRA) measure the maximum ability to stimulate accommodation while maintaining binocular …
- 其他用户还问了以下问题
Negative Relative accommodation, Positive Relative …
2022年10月14日 · This video is properly a practical based video on 1. What is Relative accommodation?2. Types of Relative accommodation3. What is negative relative accommodat...
Negative Relative Accommodation - Eye Patient
Negative relative accommodation is an assessment of the highest capacity to reduce accommodation while keeping a sharp, distinct binocular vision. Accommodation is the …
Accommodation in Peril - Review of Optometry
2020年1月15日 · Negative relative accommodation (NRA) is normal, but positive relative accommodation (PRA) values are often less than -1.25D. Finally, monocular estimated method (MEM) testing would reveal a lag of …
negative relative accommodation - EyeKnow O.D.
negative relative accommodation The maximum amount of accommodation that can be relaxed while maintaining clear, single binocular vision at a fixed distance, typically 40 cm. It is …
