About

About the Author

34 years fitting lenses.
Zero brand deals.

Practical progressive lens guidance from a trained optician in Vietnam, written for Americans tired of waiting a month for a $700 pair that ends up in a drawer.

34Years in optical
$700Avg. pair brought back to fix
0Brand deals or sponsorships
Ho Truong · Trained optician · Mat Kinh Duc Phuong, Soc Trang · Est. 1991

My father started the shop the year I was born.

1991. That means the shop and I are exactly the same age. 34 years old, both still learning.

He never held a formal degree. It did not matter. Customers drove from neighboring towns to have him fit their progressive lenses. I watched him work before I was tall enough to see over the counter.

What he passed down is not in any textbook. The angle of a frame against a particular nose bridge. How to read hesitation in a customer’s face when something is off. The difference between a lens that measures correctly on paper and a lens that actually works by day three.

“The difference between a lens that measures correctly and one that actually works — that gap is where most people lose $600.”

For years, something kept happening at our shop. Vietnamese Americans would visit during trips home. Not vacation first. Their lenses first.

They had already spent $700 back in the States. Sometimes $900. The lenses sat in a drawer.

The complaints were the same every time. No one explained the adaptation process. The fitting was rushed. The reading zone was too small for how they actually held their phone. And when something felt wrong, there was no one to call who would listen.

I also noticed something else. Progressive lenses are not off-the-shelf. Every pair is custom-made to order. In the US, that means waiting three to four weeks just to find out whether the fitting was right. If the measurements were wrong, the process starts over. Another month. Most people do not know this before they order. By the time they realize the lenses are not working, they have already waited six weeks total and feel too tired to fight it.

Those conversations taught me more about the US optical system than any research could have. I understood its gaps because I kept fixing its mistakes.


Most US fittings skip the questions that matter.

Asian facial structures create fitting challenges that standard progressive lens protocols are not built for. Pantoscopic tilt. Vertex distance. Fitting height relative to actual pupil position. These are not minor details. They determine whether a $600 pair becomes a daily tool or a source of daily headache.

But the bigger gap is information. Most people walk into a US optical shop knowing almost nothing about what they are buying. The optician measures, the order goes in, and four weeks later you find out whether it works. No one explained the corridor width. No one asked how much time you spend at a screen versus driving. No one warned you that the first week would feel strange and that switching back to your old glasses will reset the adaptation clock.

That is what I am writing about here.


Practical answers. No markup.

I am 34. I will need progressive lenses myself, soon. I am not waiting until that moment to understand what I am getting into.

Right now, I do not have a YouTube channel. I do not have thousands of real-world cases on camera. What I have is 34 years of fitting experience and a clear sense of what information people need before they spend the money and wait the month.

Not for Varilux. Not for Zeiss. For the person who spent $700, waited four weeks, and still cannot read the menu.

Where I stand on brand relationships

No sponsored content on this site. No free products sent for review. No payment from any brand featured here.

I want to be clear about the limits too. I am writing from Vietnam, not from firsthand experience buying lenses in US optical shops. I do not have a US license. What I bring is technical fitting knowledge and years of seeing what goes wrong after the sale.

If that changes — if I ever accept a brand relationship or add affiliate links — this page will say so. The criteria I use to evaluate lenses will not change either way: corridor design, fitting flexibility, remake rates, and whether the product actually solves the problem it claims to solve.