CUSIP No. 82655N105

POWER OF ATTORNEY

The undersigned hereby
constitutes and appoints David Newberg, Carene Kunkler and Duane Kimble
Jr.,
and each of them individually, as the undersigned's true and lawful
attorney-in-fact to:

1.  Execute for and on behalf of the
undersigned, in the undersigned's capacity as an officer and/or
director
of Sight Resource Corporation (the "Company"), Forms 3, 4 and 5 in
accordance with Section
16(a) of the Securities Exchange Act of 1934
(the "Act") and the rules thereunder.

2.  Execute for and on behalf
of the undersigned, in the undersigned's capacity as a shareholder of the

Company and/or in the undersigned's capacity as an executive officer or
controlling shareholder of any
corporation or entity that is a
shareholder of the Company, Schedules 13D and 13G, and any
amendments
thereto or agreements relating to "group" filings thereof, in accordance
with Sections 13(d)
and 13(g) of the Act and the rules thereunder.


3.  Do and perform any and all acts for and on behalf of the undersigned
which may be necessary or
desirable to complete and execute any such
Form 3, 4 or 5, or Schedule 13D or 13G (including without
limitation
executing Form ID and obtaining CIK, CCC and other codes and passwords),
and timely file
such Forms and Schedules with the Securities and
Exchange Commission and any stock exchange or
similar authority.


The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform
any and every act and thing whatsoever
requisite, necessary or proper to be done in the exercise of any
of the
rights and powers herein granted, as fully to all intents and purposes as
the undersigned might or
could do if personally present, hereby
ratifying and confirming all that such attorney-in-fact shall lawfully

do or cause to be done by virtue of this power of attorney and the rights
and powers herein granted.  The
undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request

of the undersigned, are not assuming, nor is the Company assuming, any of
the undersigned's
responsibilities to comply with Section 13 or 16 of
the Act.

This Power of Attorney shall remain in full force and effect
until the undersigned (and any such entity for
which the undersigned is
an executive officer or controlling shareholder) is no longer required to
file
Forms 3, 4 and 5, and Schedules 13D or 13G, with respect to the
undersigned's (or such entity's)
holdings of and transactions in
securities issued by the Company, unless earlier revoked by the

undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

IN TESTIMONY WHEREOF, the undersigned has caused
this Power of Attorney to be executed this 9th
day of January, 2003.


EXCALIBUR INVESTMENTS B.V.

By Dino Tabacchi