How to describe need for bifocal eyeglasses with lower lense focus at 6 to 10 feet

elderly sister has new prescription for standard bifocal glasses long
distance on top, reading on bottom.

She needs to see her feet and sidewalk just in front of her. What do I
ask the eyeglass store to do to adjust the lower lenses?


She already has long distance, computer glasses, and reading
eyeglasses.


Thanks
DLM

 

Why is she getting bifocals? No bifocals will allow her to see the
ground in front of her clearly without her lowering her head to look
over the reading part, that WILL be out of focus unless she is 3 ft
tall. IOW she should wear her long glasses for walking.

w.stacy, o.d.

 

stores in my town.

William Stacy, O.D. says "No bifocals will allow her to see the
ground in front of her clearly without her lowering her head to look
over the reading part, that WILL be out of focus unless she is 3 ft
tall. "

Give me a break. I know that if the bottom lenses are for reading then
they focus at a very short distance.

She is considering bifocals that is the presciption the doctor gave
her.

I know when I get glasses the doctor takes viewing distance in to
consideration in the top lenses. I know it makes a difference if they
are for infinite distances or if I want medium distances.

Do long distance lenses focus from ten feet to infinity equally well?
My sister seems to be able to see reasonably OK with the LD lenses
except when she looks down towards her feet and then she as trouble
seeing curbs and sidewalk details. Thus my question about bifocals with
bottom lenses for 6 to 10 feet.

She has bifocals for woking on her computer. The top lenses are set for
viewing a screen three of four feet away and the bottom lenses are
better for reading text about a foot away.

Stacy seems to imply all bi-focal glasses are LD and reading.

That's a good idea. I wear bifocals, I have some with mid line large
reading lenses and a pair with small reading lenses set very low for
watching TV in a recliner and still being able to read a newpaper or
book.

At eightfive she's needs all the help she can get focusing on walking
(never mind reading and walking <big grin>).

 

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