DispensingCâu 61 / 100
High-minus lenses can be made cosmetically thinner at the edge by doing what?
a.Increasing the base curve
b.Adding pantoscopic tilt
c.Using a higher-index material and edge treatments like a roll and polish
d.Choosing a larger frame
Giải thích
Higher-index materials reduce edge thickness for minus lenses, and a smaller frame plus proper decentration further reduces thickness. Rolling and polishing the edge improves the cosmetic appearance.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Which lens material is required for a child's everyday eyewear for safety reasons?
- A patient says their bifocal segment is too high and they see the line while walking. The correct fix is to do what?
- MPD (monocular PD) is preferred over binocular PD because it accounts for what?
- For a high-plus (aphakic-type) lens, choosing a smaller frame does what?
- When fitting a progressive lens, accurate fitting-cross placement is critical because what?
- A patient complains of temple pain behind the ears with new glasses. The best adjustment is to do what?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với ABO (American Board of Opticianry) Certified Optician Exam · Quy trình kiểm tra