KDP categories · Top KDP authors
Eye Problems (Diseases & Physical Ailments, Books): Amazon KDP category data
Amazon Books Best Sellers data for Eye Problems (Diseases & Physical Ailments, Books), updated Nov 3, 2026: median price $9.99, median 28 reviews, average rating 4.6 and a KDPTop opportunity score of 32/100 (highly competitive).
| Price range (middle 50%) | $9.99 – $14.99 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 18% |
| Books on the list | 50 |
| Store | Books |
What stands out
- Its median reviews are 1% of the parent category Diseases & Physical Ailments (2,378), one of the easier corners under it.
- The same niche in Kindle eBooks scores 20, 13 points lower than here.
- 18% of its best sellers came out in the last 90 days, more than in 87% of Books categories: readers here keep buying new titles.
Top 10 Eye Problems best sellers
-
Easy Jumbo Word Search for Seniors: Extra Large Print Word Puzzles for Relaxation and an Active Mind (Word Find Books For Adults)
by TG Edition
- List rank#1
- Price$14.99
- Rating4.8
- Reviews535
-
The Bates Method for Better Eyesight Without Glasses
by William Horatio Bates
- List rank#2
- Price$9.45
- Rating4.2
- Reviews726
-
KJV Holy Bible: Super Giant Print with 43,000 Cross References, Deluxe Burgundy Leathersoft, Red Letter, Comfort Print: King James Version
- List rank#3
- Price$32.99
- Rating4.8
- Reviews2,942
-
Word Search Books for Adults Large Print Puzzle: Big Word Find Puzzles for Adult & Seniors To Keep Mind Busy, Activity Games for Elderly Men Women ... Relaxing (Large Print Gifts 2027 Edition)
by Dazzle Mind
- List rank#4
- Price$10.90
- Rating4.8
- Reviews439
-
Big Book of Word Search – 5000 New Words: Relaxing Word Search Puzzle Book for Adults and Seniors | Large Print and Anti Eye Strain | Giant and Fun Word Find for Adults
by SENIOR TASSE
- List rank#5
- Price$7.95
- Rating4.7
- Reviews1,924
-
Take Off Your Glasses and See: A Mind/Body Approach to Expanding Your Eyesight and Insight
by Jacob Liberman
- List rank#6
- Price$10.23
- Rating4.4
- Reviews365
-
Vision for Life, Revised Edition: Ten Steps to Natural Eyesight Improvement
by Meir Schneider Ph.D.
- List rank#7
- Price$17.07
- Rating4.6
- Reviews380
-
Jumbo Extra Large Print Word Search Book for Seniors: No More Squinting - Easy Word Find Puzzles, Games & Solutions - 30pt Print - Gifts for Elderly, ... (So Easy to Read Word Search Series)
by Jumbooks
- List rank#8
- Price$9.99
- Rating4.7
- Reviews16
-
Jumbo Word Search For Seniors: Size 30 Fonts! Extra Large Print Throughout Entire Book. 100 Easy Everyday Themed Word Search Puzzles for Seniors, ... Visually Impaired. (Yaks Jumbo Word Searches)
by Yaksoft Productions
- List rank#9
- Price$14.99
- Rating4.9
- Reviews22
-
Easy & Relaxing Jumbo Word Search for Senior Women: 100 Extra-Large Print Puzzles That Are Gentle on the Eyes, Engaging for the Mind, and Fun to Solve (Large Print Word Find Books for Women)
by Rita Dennison
- List rank#10
- Price$14.99
- Rating4.9
- Reviews25
Same niche in Kindle eBooks: Eye Problems
FAQ
Is Eye Problems a good niche for Amazon KDP?
Its KDPTop opportunity score is 32/100, which makes it highly competitive. The median best seller has 28 reviews and sells for $9.99.
How many reviews do you need to rank in Eye Problems?
The median best seller has 28 reviews, and 58% of them have fewer than 100.
What do Eye Problems best sellers cost?
The median price is $9.99; half of the best sellers are priced between $9.99 and $14.99.
Can new books break into Eye Problems?
18% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.