Cataract and the nodal point fallacy

Looking at research into posterior polar cataract and opacities elsewhere in the crystalline lens and poor vision.

Share options


It is sometimes stated that a posterior polar cataract has a greater effect on making vision poorer than opacities elsewhere in the crystalline lens because it is situated at the nodal point of the eye. Brown & Bron (1996) suggest that the cause is that the opacities are along the eye’s axis, rather than the relationship with the nodal point...

Login or join the College to read more.


Login Required

Not yet a member of the College?

Start enjoying the benefits of College membership today. Take a look at what the College can offer you and view our membership categories and rates.

More on

Read next

18 April 2019 Optometry in Practice

Genetic disorders of the anterior eye

2 June 2014 Optometry in Practice

Laser-assisted cataract surgery

An overview of FLACS and the studies that have attempted to evaluate it.