Description

It demonstrates the way of lens thickens or flattens to focus an image on the retina. A working model for showing changing of focus and the shape of the eye to show near sightedness and far sightedness. Images can be focused on model’s retina. You can see dramatically visual accommodation, near point of vision, visual blind spot, age related loss of accommodation from lack of lens elasticity and the use of corrective lens to treat myopia and hyperopic. Complete with instruction manual.

Overall Dimension 175 x 300 mm approx.